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Near-Earth Comets - Orbital Elements
license: mit

Scatterplot of Near-Earth Comets. We see that orbits with small eccentricity tend to lie close to the ecliptic plane, while more eccentric orbits seem to lie on random planes (this diagram of orbital elements is useful to understand the terminology).

Circle area shows the period in years of the comet. This is a proxy for orbit size.

Schwassmann-Wachmann 3 is a comet that is disintegrating into many fragments. Note how they lie roughly on a line in this space. Interestingly, it was this visualization that made me look into "what are those densely-packed points lying in a straight line." Before doing this I had never heard of this comet.

Source: NASA

forked from curran's block: Customized Axes

Object Epoch (TDB) TP (TDB) e i (deg) w (deg) Node (deg) q (AU) Q (AU) P (yr) MOID (AU) A1 (AU/d^2) A2 (AU/d^2) A3 (AU/d^2) DT (d) ref Object_name
1P/Halley 49400 2446467.395 0.9671429085 162.2626906 111.3324851 58.42008098 0.5859781115 35.08 75.32 0.063782 0.00000000027 0.000000000155 J863/77 1P/Halley
2P/Encke 56870 2456618.204 0.8482682514 11.77999525 186.5403463 334.5698056 0.3360923855 4.09 3.3 0.173092 0.000000000158 -0.00000000000505 74 2P/Encke
3D/Biela -9480 2390514.115 0.751299 13.2164 221.6588 250.669 0.879073 6.19 6.65 0.000518 0.0000000039 -0.000000000254 IAUCAT03 3D/Biela
5D/Brorsen 7440 2407439.534 0.809796 29.3821 14.9468 102.9676 0.589847 5.61 5.46 0.366559 0.0000000127 0.00000000134 IAUCAT03 5D/Brorsen
7P/Pons-Winnecke 56981 2457053.028 0.6375275046 22.33501476 172.5061606 93.41632728 1.239214834 5.6 6.32 0.224191 0.0000000000786 -0.0000000000115 -0.000000000153 131 K088/14 7P/Pons-Winnecke
8P/Tuttle 54374 2454492.526 0.819799747 54.98318484 207.509246 270.341652 1.027116587 10.37 13.61 0.09531 0.000000000689 0.000000000137 -0.000000000459 K074/27 8P/Tuttle
12P/Pons-Brooks 35000 2434885.381 0.9548123942 74.17689423 199.0284686 255.8911444 0.7736670873 33.47 70.85 0.1873 -0.00000000102 -0.000000000271 15 12P/Pons-Brooks
13P/Olbers 35760 2435643.635 0.9302971475 44.60988573 64.64120652 86.10312835 1.178450614 32.64 69.52 0.477199 0.00000000945 0.000000000649 10 13P/Olbers
15P/Finlay 57003 2457018.557 0.7201837656 6.798912616 347.5528394 13.7781465 0.9759007725 6 6.51 0.009433 0.00000000408 0.0000000000665 K085/14 15P/Finlay
18D/Perrine-Mrkos 40240 2440162.042 0.6425809824 17.75898277 166.0504171 240.8755466 1.272248081 5.85 6.72 0.28923 J682/18 18D/Perrine-Mrkos
20D/Westphal 20080 2420098.29 0.919831189 40.89006106 57.08095497 348.0064469 1.254012762 30.03 61.87 0.468283 19 20D/Westphal
21P/Giacobini-Zinner 56498 2455969.126 0.7068178874 31.90810099 172.5844249 195.3970145 1.030696274 6 6.59 0.035395 0.00000000335 -0.000000000429 -0.000000000957 -32.8 K123/6 21P/Giacobini-Zinner
23P/Brorsen-Metcalf 47800 2447781.437 0.9719522579 19.33394047 129.6106837 311.5854622 0.4787527107 33.66 70.52 0.193872 0.00000000225 -0.000000000533 13 23P/Brorsen-Metcalf
24P/Schaumasse 52120 2452032.161 0.7048003557 11.75152976 57.87449255 79.8310383 1.205010042 6.96 8.25 0.28218 0.0000000011 -0.000000000586 K014/19 24P/Schaumasse
26P/Grigg-Skjellerup 56978 2456479.559 0.6402771379 22.42889388 2.146692288 211.5375548 1.085247781 4.95 5.24 0.079476 0.000000000113 -0.0000000000105 K139/6 26P/Grigg-Skjellerup
27P/Crommelin 56364 2455777.391 0.9189810923 28.96687279 196.0253969 250.6264098 0.7482874671 17.72 28.07 0.215189 -0.0000000365 -0.00000000171 0.00000000208 K113/4 27P/Crommelin
41P/Tuttle-Giacobini-Kresak 53821 2453898.291 0.6604126649 9.228028049 62.19321856 141.0929309 1.047777635 5.12 5.42 0.135384 0.0000000135 0.00000000331 K064/9 41P/Tuttle-Giacobini-Kresak
45P/Honda-Mrkos-Pajdusakova 56060 2455833.282 0.8246720759 4.252433261 326.2580404 89.0021809 0.5297614214 5.51 5.25 0.060071 0.00000000388 0.000000000433 K112/2 45P/Honda-Mrkos-Pajdusakova
46P/Wirtanen 56799 2456482.869 0.6592025614 11.75713931 356.3402053 82.16439077 1.052262085 5.12 5.43 0.068212 0.00000000282 -0.00000000136 0.000000000665 -3.73 K073/17 46P/Wirtanen
55P/Tempel-Tuttle 51040 2450872.598 0.905552721 162.4865754 172.5002737 235.2709891 0.9764279155 19.7 33.24 0.008481 0.00000000158 0.0000000000919 J985/69 55P/Tempel-Tuttle
66P/du Toit 52920 2452879.492 0.7877014869 18.70073632 257.2497193 22.21536497 1.274266775 10.73 14.71 0.430358 -0.000000000377 -0.00000000011 48 66P/du Toit
67P/Churyumov-Gerasimenko 56981 2457247.572 0.6409739314 7.040200902 12.78560607 50.14210951 1.243241683 5.68 6.44 0.257189 0.00000000109 0.000000000107 0.000000000196 K084/21 67P/Churyumov-Gerasimenko
72P/Denning-Fujikawa 56981 2456850.137 0.8191545266 9.16928387 337.8580425 36.10919646 0.7841612055 7.89 9.03 0.085253 21 72P/Denning-Fujikawa
73P/Schwassmann-Wachmann 3 50080 2449983.39 0.6948269106 11.4234876 198.7699787 69.94634151 0.9327707926 5.18 5.34 0.045198 0.00000000687 0.00000000049 J954/19 73P/Schwassmann-Wachmann 3
73P/Schwassmann-Wachmann 3-B 53880 2453894.424 0.6932855208 11.39695195 198.7994526 69.8924768 0.9391110367 5.18 5.36 0.04071 0.0000000149 0.00000000196 K061/24 73P/Schwassmann-Wachmann 3-B
73P/Schwassmann-Wachmann 3-C 55980 2455851.4 0.6922258013 11.37915706 198.8705914 69.8432169 0.9428566312 5.18 5.36 0.038373 0.00000000654 0.000000000483 -12.2 K114/1 73P/Schwassmann-Wachmann 3-C
73P/Schwassmann-Wachmann 3-E 51920 2451937.953 0.6938774628 11.40562118 198.7732444 69.91710448 0.9374369945 5.19 5.36 0.041033 0.0000000172 0.00000000581 K013/11 73P/Schwassmann-Wachmann 3-E
73P/Schwassmann-Wachmann 3-G 53839 2453894.596 0.6934129712 11.38956229 198.7746011 69.90839961 0.9391839301 5.19 5.36 0.04054 19 73P/Schwassmann-Wachmann 3-G
73P/Schwassmann-Wachmann 3-H 53839 2453894.78 0.6935658067 11.3910639 198.7738045 69.90789141 0.9391695085 5.19 5.37 0.04055 14 73P/Schwassmann-Wachmann 3-H
73P/Schwassmann-Wachmann 3-J 53815 2453894.65 0.6915388167 11.38026546 198.8694441 69.82886018 0.9390202047 5.15 5.31 0.040713 3 73P/Schwassmann-Wachmann 3-J
73P/Schwassmann-Wachmann 3-K 53839 2453894.722 0.6935434852 11.39106462 198.7896439 69.8973434 0.9390768439 5.19 5.36 0.040579 4 73P/Schwassmann-Wachmann 3-K
73P/Schwassmann-Wachmann 3-L 53839 2453894.829 0.694735675 11.3987128 198.7475944 69.93678268 0.9390893944 5.21 5.4 0.040654 7 73P/Schwassmann-Wachmann 3-L
73P/Schwassmann-Wachmann 3-M 53839 2453894.757 0.6939409383 11.39436144 198.7775561 69.90530158 0.9390968147 5.2 5.37 0.040589 11 73P/Schwassmann-Wachmann 3-M
73P/Schwassmann-Wachmann 3-N 53839 2453894.77 0.6922889938 11.38094121 198.7643511 69.89730281 0.9392543584 5.17 5.33 0.040527 14 73P/Schwassmann-Wachmann 3-N
73P/Schwassmann-Wachmann 3-P 53839 2453894.353 0.6955758994 11.40542193 198.7241361 69.9561999 0.9391591394 5.23 5.42 0.04065 7 73P/Schwassmann-Wachmann 3-P
73P/Schwassmann-Wachmann 3-Q 53839 2453894.179 0.6986472444 11.4193581 198.4951922 70.13788751 0.9397157483 5.3 5.51 0.040746 3 73P/Schwassmann-Wachmann 3-Q
73P/Schwassmann-Wachmann 3-R 53839 2453894.68 0.6940882133 11.3947263 198.7697021 69.91308584 0.9391315473 5.2 5.38 0.04058 15 73P/Schwassmann-Wachmann 3-R
73P/Schwassmann-Wachmann 3-S 53839 2453895.26 0.6933582332 11.04818134 181.5621916 81.99161507 1.022366578 5.65 6.09 0.007355 2 73P/Schwassmann-Wachmann 3-S
73P/Schwassmann-Wachmann 3-T 53839 2453895.2 0.7119324141 11.51229958 198.1833801 70.47600442 0.9393187761 5.58 5.89 0.041618 5 73P/Schwassmann-Wachmann 3-T
73P/Schwassmann-Wachmann 3-U 53839 2453895.536 0.6893974588 11.35982065 198.8353865 69.83271992 0.9393903294 5.11 5.26 0.040297 2 73P/Schwassmann-Wachmann 3-U
73P/Schwassmann-Wachmann 3-V 53839 2453894.977 0.6934869706 11.65182376 204.9294792 65.24678693 0.9122067361 5.04 5.13 0.043636 2 73P/Schwassmann-Wachmann 3-V
73P/Schwassmann-Wachmann 3-W 53839 2453894.97 0.6975732498 11.41831799 198.6608054 70.01698507 0.9391250326 5.27 5.47 0.040799 3 73P/Schwassmann-Wachmann 3-W
73P/Schwassmann-Wachmann 3-X 53839 2453895.055 0.6947512888 11.39938737 198.7509795 69.92862059 0.9390826998 5.21 5.4 0.040651 7 73P/Schwassmann-Wachmann 3-X
73P/Schwassmann-Wachmann 3-Y 53839 2453895.095 0.7195023037 11.56184126 197.9700547 70.66913935 0.9391657408 5.76 6.13 0.042145 3 73P/Schwassmann-Wachmann 3-Y
73P/Schwassmann-Wachmann 3-Z 53839 2453894.809 0.6933582332 11.34947201 198.0161463 70.49401081 0.9420391541 5.2 5.38 0.040223 2 73P/Schwassmann-Wachmann 3-Z
73P/Schwassmann-Wachmann 3-AA 53839 2453895.666 0.6806338789 11.29506494 199.1079395 69.57271647 0.9392845342 4.94 5.04 0.039837 3 73P/Schwassmann-Wachmann 3-AA
73P/Schwassmann-Wachmann 3-AB 53856 2453895.214 0.6912468087 11.37319386 198.8169658 69.85894301 0.9391663283 5.14 5.31 0.040615 4 73P/Schwassmann-Wachmann 3-AB
73P/Schwassmann-Wachmann 3-AC 53856 2453895.178 0.6953671146 11.40528019 198.7526383 69.93380114 0.9390452533 5.23 5.41 0.040807 5 73P/Schwassmann-Wachmann 3-AC
73P/Schwassmann-Wachmann 3-AD 53839 2453895.179 0.6933582332 11.36836584 198.3713234 70.21921728 0.9407073595 5.19 5.37 0.040376 2 73P/Schwassmann-Wachmann 3-AD
73P/Schwassmann-Wachmann 3-AE 53839 2453894.826 0.6967256567 11.41469069 198.7081423 69.9723223 0.939051181 5.25 5.45 0.040753 5 73P/Schwassmann-Wachmann 3-AE
73P/Schwassmann-Wachmann 3-AF 53839 2453893.514 0.6762990182 11.23973276 198.7163903 69.8497135 0.9411849123 4.87 4.96 0.039428 1 73P/Schwassmann-Wachmann 3-AF
73P/Schwassmann-Wachmann 3-AG 53839 2453895.498 0.6957811465 11.40758964 198.7052943 69.95896614 0.9390392449 5.23 5.42 0.040779 4 73P/Schwassmann-Wachmann 3-AG
73P/Schwassmann-Wachmann 3-AH 53839 2453895.13 0.6933582332 11.33063244 197.7396254 70.70742061 0.9429866147 5.21 5.39 0.040154 3 73P/Schwassmann-Wachmann 3-AH
73P/Schwassmann-Wachmann 3-AI 53836 2453895.2 0.6982511274 11.43065377 198.7294365 69.97109124 0.9388880724 5.28 5.49 0.04071 4 73P/Schwassmann-Wachmann 3-AI
73P/Schwassmann-Wachmann 3-AJ 53839 2453894.511 0.8001952857 12.14931754 196.7656541 72.0622749 0.936080103 8.43 10.14 0.046608 2 73P/Schwassmann-Wachmann 3-AJ
73P/Schwassmann-Wachmann 3-AK 53839 2453894.883 0.6933582332 11.42949727 199.3256981 69.37619102 0.9377052113 5.18 5.35 0.040319 3 73P/Schwassmann-Wachmann 3-AK
73P/Schwassmann-Wachmann 3-AL 53839 2453894.906 0.6998428235 11.44393328 198.7225549 69.97977383 0.9387685839 5.32 5.53 0.040892 2 73P/Schwassmann-Wachmann 3-AL
73P/Schwassmann-Wachmann 3-AM 53839 2453894.701 0.6933582332 11.54419805 201.0885964 68.11933346 0.9309371637 5.14 5.29 0.04092 1 73P/Schwassmann-Wachmann 3-AM
73P/Schwassmann-Wachmann 3-AN 53839 2453894.816 0.6947569553 11.40514157 198.8011953 69.89155967 0.9389973237 5.21 5.4 0.040601 4 73P/Schwassmann-Wachmann 3-AN
73P/Schwassmann-Wachmann 3-AO 53839 2453894.351 0.6937687739 11.32588494 198.1671916 70.388797 0.9407501623 5.2 5.38 0.040747 3 73P/Schwassmann-Wachmann 3-AO
73P/Schwassmann-Wachmann 3-AP 53856 2453893.11 0.7014300924 11.46590929 198.7426205 69.9669785 0.9387454286 5.35 5.58 0.040996 8 73P/Schwassmann-Wachmann 3-AP
73P/Schwassmann-Wachmann 3-AQ 53856 2453894.4 0.6959119088 11.41369562 198.7713164 69.92072504 0.9390064365 5.24 5.43 0.04079 9 73P/Schwassmann-Wachmann 3-AQ
73P/Schwassmann-Wachmann 3-AR 53839 2453893.311 0.695799013 11.40652255 198.7098466 69.96630168 0.9392047604 5.24 5.43 0.040648 2 73P/Schwassmann-Wachmann 3-AR
73P/Schwassmann-Wachmann 3-AS 53852 2453892.763 0.7009701053 11.46096714 198.7247614 69.97402026 0.93882735 5.34 5.56 0.041109 6 73P/Schwassmann-Wachmann 3-AS
73P/Schwassmann-Wachmann 3-AT 53839 2453892.789 0.6869322275 11.33462061 198.8104065 69.84813048 0.9396287904 5.06 5.2 0.040208 2 73P/Schwassmann-Wachmann 3-AT
73P/Schwassmann-Wachmann 3-AU 53839 2453894.598 0.6928223535 11.38220585 198.7583062 69.91454526 0.9392979588 5.18 5.35 0.040499 1 73P/Schwassmann-Wachmann 3-AU
73P/Schwassmann-Wachmann 3-AV 53839 2453892.996 0.6933582332 11.3951153 198.8335456 69.88524741 0.9390242876 5.19 5.36 0.040526 1 73P/Schwassmann-Wachmann 3-AV
73P/Schwassmann-Wachmann 3-AW 53839 2453894.409 0.6773014639 11.23959642 198.8339738 69.79453062 0.9402577564 4.89 4.97 0.039791 2 73P/Schwassmann-Wachmann 3-AW
73P/Schwassmann-Wachmann 3-AX 53839 2453895.999 0.6924701264 11.42778528 199.2512703 69.46695211 0.9380095396 5.16 5.33 0.040309 1 73P/Schwassmann-Wachmann 3-AX
73P/Schwassmann-Wachmann 3-AY 53839 2453895.402 0.675089956 11.22586964 198.9220318 69.71151968 0.9401934035 4.85 4.92 0.039663 2 73P/Schwassmann-Wachmann 3-AY
73P/Schwassmann-Wachmann 3-AZ 53839 2453893.205 0.6750699862 11.22070941 198.8670389 69.76425986 0.9403177776 4.85 4.92 0.039697 1 73P/Schwassmann-Wachmann 3-AZ
73P/Schwassmann-Wachmann 3-BA 53839 2453893.044 0.6824329214 11.27075096 198.6920226 69.9209975 0.9402477902 4.98 5.09 0.040053 1 73P/Schwassmann-Wachmann 3-BA
73P/Schwassmann-Wachmann 3-BB 53839 2453893.591 0.6824329214 11.19018461 197.928567 70.47094006 0.942420571 4.99 5.11 0.040143 1 73P/Schwassmann-Wachmann 3-BB
73P/Schwassmann-Wachmann 3-BC 53856 2453893.107 0.7004675151 11.45870615 198.7461327 69.95554651 0.9388074049 5.33 5.55 0.040954 7 73P/Schwassmann-Wachmann 3-BC
73P/Schwassmann-Wachmann 3-BD 53839 2453892.675 0.6824392137 10.97454826 196.463131 71.41848297 0.9461555836 5.01 5.14 0.040389 1 73P/Schwassmann-Wachmann 3-BD
73P/Schwassmann-Wachmann 3-BE 53839 2453893.475 0.6824392137 11.3165548 199.0041337 69.69353535 0.9394213409 4.98 5.09 0.039983 1 73P/Schwassmann-Wachmann 3-BE
73P/Schwassmann-Wachmann 3-BF 53856 2453893.564 0.6856738995 11.32197626 198.8097995 69.83455705 0.9395742939 5.04 5.17 0.040397 2 73P/Schwassmann-Wachmann 3-BF
73P/Schwassmann-Wachmann 3-BG 53839 2453895.307 0.6847548055 11.32450054 198.9548257 69.72079452 0.9393418344 5.02 5.14 0.040107 1 73P/Schwassmann-Wachmann 3-BG
73P/Schwassmann-Wachmann 3-BH 53839 2453895.153 0.6824392137 11.28940623 198.8380688 69.80392621 0.9398162468 4.98 5.09 0.040047 1 73P/Schwassmann-Wachmann 3-BH
73P/Schwassmann-Wachmann 3-BI 53856 2453895.226 0.6824626795 11.30045753 198.9127974 69.75258615 0.9397650974 4.98 5.09 0.040062 3 73P/Schwassmann-Wachmann 3-BI
73P/Schwassmann-Wachmann 3-BJ 53839 2453895.186 0.6910944882 11.37022892 198.7979116 69.87876452 0.9392529208 5.14 5.3 0.040461 2 73P/Schwassmann-Wachmann 3-BJ
73P/Schwassmann-Wachmann 3-BK 53839 2453895.397 0.6915428054 11.37077721 198.775388 69.89745388 0.9392666357 5.15 5.31 0.040494 2 73P/Schwassmann-Wachmann 3-BK
73P/Schwassmann-Wachmann 3-BL 53839 2453895.363 0.6962237189 11.4093615 198.6994292 69.97335799 0.9390996615 5.24 5.44 0.040742 2 73P/Schwassmann-Wachmann 3-BL
73P/Schwassmann-Wachmann 3-BM 53839 2453895.516 0.6824392137 11.29433257 198.861349 69.7755882 0.9397568629 4.98 5.09 0.040041 1 73P/Schwassmann-Wachmann 3-BM
73P/Schwassmann-Wachmann 3-BN 53856 2453894.712 0.6917715065 11.37744926 198.7947706 69.88153448 0.9391857446 5.15 5.32 0.040649 3 73P/Schwassmann-Wachmann 3-BN
73P/Schwassmann-Wachmann 3-BO 53856 2453894.772 0.6918275631 11.37615727 198.7715536 69.89197757 0.9392190689 5.16 5.32 0.040677 3 73P/Schwassmann-Wachmann 3-BO
73P/Schwassmann-Wachmann 3-BP 53856 2453894.892 0.6824534537 11.29077484 198.8488389 69.81061093 0.9397832677 4.98 5.09 0.040186 1 73P/Schwassmann-Wachmann 3-BP
73P/Schwassmann-Wachmann 3-BQ 53856 2453894.8 0.6924538802 11.38826125 198.8198463 69.86577521 0.9391556635 5.17 5.34 0.040612 2 73P/Schwassmann-Wachmann 3-BQ
73P/Schwassmann-Wachmann 3-BR 53856 2453892.736 0.6851541342 11.31924783 198.8412924 69.82671175 0.9396017862 5.03 5.16 0.040313 2 73P/Schwassmann-Wachmann 3-BR
73P/Schwassmann-Wachmann 3-BS 53856 2453892.278 0.6985735462 11.44446449 198.7685232 69.93999714 0.9389486718 5.29 5.5 0.040824 1 73P/Schwassmann-Wachmann 3-BS
79P/du Toit-Hartley 56558 2456527.786 0.61851349 3.145618792 281.6893173 280.6403369 1.123805321 4.77 5.06 0.134779 -0.0000000000487 -0.000000000033 16 79P/du Toit-Hartley
85P/Boethin 54252 2454813.247 0.7811606262 4.295294591 37.61838461 359.3961137 1.134657452 9.24 11.81 0.149899 0 0 23 85P/Boethin
96P/Machholz 1 56541 2456123.323 0.9592118287 58.31221424 14.7577484 94.32323631 0.1237488531 5.94 5.28 0.333731 0.000000000107 -0.000000000000938 53 96P/Machholz 1
103P/Hartley 2 56981 2457863.823 0.693780472 13.60427243 181.3222858 219.7487451 1.064195154 5.89 6.48 0.072005 252 103P/Hartley 2
104P/Kowal 2 57090 2457473.288 0.6385203614 10.25097305 200.6509533 235.4414959 1.178758464 5.34 5.89 0.202197 0.0000000226 -0.00000000548 0.00000000133 24 104P/Kowal 2
109P/Swift-Tuttle 50000 2448968.5 0.963225755 113.453817 152.9821676 139.3811921 0.9595161551 51.22 133.28 0.000892 32 109P/Swift-Tuttle
122P/de Vico 50280 2449996.5 0.9627088868 85.38275311 12.99609194 79.62450069 0.6593373359 34.7 74.35 0.316817 27 122P/de Vico
141P/Machholz 2-A 53480 2453429.749 0.7501239591 12.79506334 149.2844343 246.1615904 0.7528498784 5.27 5.23 0.105492 -0.00000000281 0.000000000103 0.000000000599 75 141P/Machholz 2-A
141P/Machholz 2-D 51520 2451522.455 0.7510624112 12.81184124 149.2918108 246.1336343 0.7490056935 5.27 5.22 0.107814 0.0000000227 0.00000000586 11 141P/Machholz 2-D
161P/Hartley-IRAS 52749 2453542.365 0.8350738463 95.69806815 47.13845023 1.415670065 1.27343339 14.17 21.46 0.447763 59 161P/Hartley-IRAS
162P/Siding Spring 53529 2453319.778 0.5972436348 27.84477766 356.3636966 31.25192352 1.227689026 4.87 5.32 0.232183 86 162P/Siding Spring
169P/NEAT 54296 2453631.013 0.7669277193 11.30444069 217.9760878 176.2204118 0.6069807513 4.6 4.2 0.142644 114 169P/NEAT
177P/Barnard 53542 2453976.192 0.9545011069 31.1792882 60.34965167 272.1861491 1.107319662 47.57 120.07 0.31003 27 177P/Barnard
181P/Shoemaker-Levy 6 56908 2456818.826 0.7073228279 16.98117917 333.7988486 37.67945772 1.123593041 6.55 7.52 0.156355 -0.00000000291 -0.0000000000864 16 181P/Shoemaker-Levy 6
182P/LONEOS 53241 2454137.333 0.66634233 16.90929665 51.43384257 75.10006349 0.9780224592 4.88 5.02 0.109366 61 182P/LONEOS
185P/Petriew 56498 2456153.046 0.6993210375 14.00701804 181.9403336 214.0910177 0.9320143358 5.27 5.46 0.060833 0.000000000172 43 185P/Petriew
189P/NEAT 56364 2456128.957 0.5967955467 20.3759014 15.39713787 282.144161 1.177562746 4.66 4.99 0.170302 -0.000000000742 -0.000000000049 56 189P/NEAT
197P/LINEAR 56717 2456376.326 0.6296602372 25.54272525 188.7289004 66.38824615 1.061393391 4.67 4.85 0.051318 -0.000000000133 0.0000000000167 0.0000000000717 46 197P/LINEAR
206P/Barnard-Boattini 51606 2450626.305 0.6886420879 31.97414822 179.5749493 205.2603247 0.9788121332 5.31 5.57 0.01839 12 206P/Barnard-Boattini
207P/NEAT 54069 2454776.877 0.7569889079 10.14995411 271.195627 200.6742212 0.943996196 6.83 7.66 0.147585 64 207P/NEAT
209P/LINEAR 55720 2454938.94 0.6923704602 19.44782985 150.4693054 65.46431318 0.9016688219 4.96 5.02 0.051186 130 209P/LINEAR
210P/Christensen 56908 2456886.746 0.8325032627 10.24010578 345.8255534 93.82650012 0.5313139132 5.81 5.65 0.170738 0.000000000213 0.0000000000523 -0.000000000602 42 210P/Christensen
217P/LINEAR 54831 2455083.48 0.689642756 12.88188017 246.7754682 125.6220203 1.223482234 6.66 7.83 0.306437 113 217P/LINEAR
222P/LINEAR 54553 2455075.7 0.7267693964 5.14614339 345.4248856 7.132384188 0.7807614949 4.93 4.83 0.062285 31 222P/LINEAR
225P/LINEAR 52717 2452555.598 0.6637644633 20.70960946 1.329461349 15.49778451 1.192065517 5.9 6.68 0.194983 42 225P/LINEAR
249P/LINEAR 54112 2453976.035 0.8161483931 8.4340952 64.04057029 240.6460863 0.5105855707 5.04 4.63 0.052649 21 249P/LINEAR
252P/LINEAR 52306 2451613.458 0.6724112481 10.38105211 343.2826819 190.9962851 1.001368431 5.11 5.34 0.017389 25 252P/LINEAR
255P/Levy 56981 2457876.215 0.6681889017 18.26659348 179.6923294 279.7300367 1.00817764 5.07 5.3 0.024517 0.00000000733 -0.00000000415 37 255P/Levy
262P/McNaught-Russell 55913 2456265.959 0.8154028826 29.07941912 171.1690206 218.0142884 1.280276583 12.59 18.27 0.291456 39 262P/McNaught-Russell
263P/Gibbs 54246 2454098.266 0.5869803961 14.4711765 26.31548584 113.3508576 1.251302076 4.81 5.27 0.284398 15 263P/Gibbs
273P/Pons-Gambart 56799 2456281.057 0.9750961432 136.3989719 20.18419247 320.4310688 0.8104310477 64.27 185.64 0.171765 0.000000000076 0.000000000886 9 273P/Pons-Gambart
289P/Blanpain 53393 2452985.145 0.6757685739 5.931685399 9.066912825 69.33306667 0.9986827792 5.16 5.41 0.016462 -0.000000000771 4 289P/Blanpain
294P/LINEAR 55173 2454631.335 0.5945159337 19.0857983 233.2695182 315.4433207 1.297734649 5.1 5.73 0.393614 27 294P/LINEAR
300P/Catalina 56981 2456807.378 0.693462168 5.691470921 222.7484631 95.8066034 0.8259797783 4.56 4.42 0.024454 -0.000000000325 9 300P/Catalina
306P/LINEAR 53391 2452865.469 0.5982594907 8.364457777 0.7688016312 341.4986017 1.246918534 4.96 5.47 0.239208 31 306P/LINEAR
317P/WISE 55727 2455385.227 0.5904467346 10.64556918 328.7279634 280.9856039 1.198390481 4.65 5.01 0.203854 9 317P/WISE
C/1906 V1 (Thiele) 17544 2417536.077 0.9487613645 56.03318114 8.456068198 85.80950568 1.208610867 45.97 114.56 0.230296 3 C/1906 V1 (Thiele)
C/1921 H1 (Dubiago) 22841 2422813.844 0.8477830042 22.07043089 96.44867266 68.21958086 1.098349017 13.33 19.38 0.367524 3 C/1921 H1 (Dubiago)
D/1978 R1 (Haneda-Campos) 43773 2443790.992 0.6652319399 5.947329619 240.4622187 132.2535138 1.101417705 5.48 5.97 0.13492 7 D/1978 R1 (Haneda-Campos)
C/1991 L3 (Levy) 48547 2448445.695 0.9288178631 19.19030997 41.47119826 329.4309837 0.9825594709 26.62 51.28 0.074988 9 C/1991 L3 (Levy)
P/1999 J6 (SOHO) 53580 2453318.081 0.9841773128 26.6131418 21.97680319 81.61378154 0.04905822804 6.15 5.46 0.010175 0.000000395 -0.00000000189 6 P/1999 J6 (SOHO)
P/1999 R1 (SOHO) 53089 2452891.317 0.9774091221 13.67622884 43.68972274 4.932374957 0.0570126508 4.99 4.01 0.076579 3 P/1999 R1 (SOHO)
P/1999 RO28 (LONEOS) 51441 2451453.843 0.6507867331 8.191041706 219.8588263 148.4502956 1.231758765 5.82 6.62 0.247638 15 P/1999 RO28 (LONEOS)
C/1999 X3 (SOHO) 53074 2453076.829 0.9816398786 6.337569475 353.7341335 323.490768 0.04795123414 5.18 4.22 0.031348 5 C/1999 X3 (SOHO)
C/2001 OG108 (LONEOS) 52248 2452348.706 0.925259301 80.24505505 116.4195121 10.5552957 0.9940478795 25.61 48.5 0.300836 40 C/2001 OG108 (LONEOS)
C/2001 W2 (BATTERS) 52249 2452267.418 0.9413734582 115.9130897 142.0857566 113.3558968 1.051064641 34.81 75.91 0.145327 22 C/2001 W2 (BATTERS)
C/2002 R5 (SOHO) 53575 2452522.684 0.985261262 14.12062881 45.7237989 13.21421538 0.04740160134 6.38 5.77 0.094044 3 C/2002 R5 (SOHO)
P/2002 S7 (SOHO) 53592 2452538.404 0.9848618681 13.57497488 52.15494545 50.19576776 0.04879857033 6.4 5.79 0.114603 3 P/2002 S7 (SOHO)
P/2003 T12 (SOHO) 55968 2455952.953 0.7764221763 11.4758078 217.6773881 176.4650989 0.5748399462 4.57 4.12 0.154232 5 P/2003 T12 (SOHO)
P/2004 R1 (McNaught) 54629 2455248.548 0.682526943 4.894555854 0.626837835 295.9854497 0.986192006 5.23 5.48 0.027011 20 P/2004 R1 (McNaught)
P/2005 T4 (SWAN) 53667 2453654.037 0.930297059 160.0361801 41.44353425 25.42228788 0.6493994391 17.98 28.44 0.157261 6 P/2005 T4 (SWAN)
P/2005 W4 (SOHO) 54203 2453697.986 0.9822675576 14.5962755 49.40000591 53.00487076 0.05398035994 6.03 5.31 0.107655 -0.0000000000746 2 P/2005 W4 (SOHO)
P/2006 HR30 (Siding Spring) 54046 2454102.782 0.8431183899 31.88449913 117.4138753 309.9521628 1.226427704 14.41 21.86 0.452907 87 P/2006 HR30 (Siding Spring)
P/2007 T2 (Kowalski) 54417 2454362.521 0.7748340855 9.895275619 358.5515716 3.994965765 0.695862748 5.49 5.43 0.156276 17 P/2007 T2 (Kowalski)
P/2008 S1 (Catalina-McNaught) 55101 2454741.329 0.6663127807 15.1007464 203.6490232 111.3920029 1.190641555 5.95 6.74 0.194101 13 P/2008 S1 (Catalina-McNaught)
P/2008 Y1 (Boattini) 54846 2454887.597 0.7348817591 8.805148715 162.3648341 259.7096838 1.27197954 8.32 10.51 0.289617 13 P/2008 Y1 (Boattini)
P/2008 Y12 (SOHO) 55476 2454822.977 0.9787495375 23.34562318 146.6141611 312.5525907 0.06541368648 6.09 5.4 0.044832 4 P/2008 Y12 (SOHO)
P/2009 L2 (Yang-Gao) 55023 2454973.255 0.6209298159 16.15851413 346.954318 259.3047568 1.296125756 5.54 6.32 0.287493 20 P/2009 L2 (Yang-Gao)
P/2009 WX51 (Catalina) 55175 2455227.575 0.7402970341 9.592585691 118.0163889 31.75826735 0.7999555439 5.36 5.41 0.009227 19 P/2009 WX51 (Catalina)
C/2010 L5 (WISE) 55379 2455309.645 0.9037561917 147.051681 214.729745 206.4730991 0.7909008329 15.64 23.56 0.113609 6 C/2010 L5 (WISE)
P/2011 NO1 (Elenin) 55758 2455582.092 0.776521252 15.27233838 263.6169668 296.0964602 1.242925561 9.88 13.12 0.380652 8 P/2011 NO1 (Elenin)
C/2011 S2 (Kowalski) 55857 2455860.848 0.9316035445 17.57253024 192.1899464 288.0701102 1.115118144 31.49 65.83 0.13779 16 C/2011 S2 (Kowalski)
P/2012 NJ (La Sagra) 56158 2456091.59 0.8480618337 84.37545937 338.4139159 315.7631836 1.291890069 15.71 24.79 0.315258 31 P/2012 NJ (La Sagra)
P/2013 CU129 (PANSTARRS) 56475 2456511.432 0.7221050362 12.14763226 211.9722717 46.20979967 0.800147691 4.96 4.89 0.085523 38 P/2013 CU129 (PANSTARRS)
P/2013 TL117 (Lemmon) 56674 2456706.719 0.6899137951 9.365636389 112.199132 3.362021948 1.117672075 6.09 6.84 0.20162 45 P/2013 TL117 (Lemmon)
P/2014 U2 (Kowalski) 56974 2456937.65 0.6029487638 7.495593453 35.25220977 356.1806792 1.164298274 4.7 5.02 0.183671 10 P/2014 U2 (Kowalski)
P/2015 A3 (PANSTARRS) 57040 2457076.25 0.8481676984 172.5137446 249.5086139 277.0821425 1.15385721 14.05 20.95 0.204591 1 P/2015 A3 (PANSTARRS)
C/2015 D1 (SOHO) 57073 2457073.248 0.9942677736 69.61628937 234.9530166 95.88138486 0.02832105639 9.85 10.98 0.515916 0.00000125 3 C/2015 D1 (SOHO)
C/2015 F2 (Polonia) 57110 2457141.343 0.9623991817 28.66103039 352.0587584 262.4816139 1.209544218 63.13 182.45 0.198704 6 C/2015 F2 (Polonia)
C/2015 F5 (SWAN-Xingming) 57124 2457109.599 0.9777341146 149.2569445 13.39233003 287.7390236 0.3460051321 30.73 61.26 0.441413 2 C/2015 F5 (SWAN-Xingming)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-legend/2.24.0/d3-legend.min.js"></script>
<title>Near-Earth Comets - Orbital Elements</title>
<style>
@import url('https://fonts.googleapis.com/css?family=Roboto');
body {
margin: 0px;
font-family: Roboto;
}
.tick {
font-size: 2em;
}
.axis line {
stroke: #ccc;
}
.axis text {
fill: #666;
}
.axis-label {
fill: #666;
font-size: 2.5em;
}
.comet {
opacity: 0.4;
}
.comet:hover {
opacity: 1;
fill: #ffa251;
}
.schwassman {
opacity: 0.7;
}
.long {
opacity: 0.5;
}
.plotTitle {
font-size: 2em;
fill: #666;
}
.legend-label {
fill: #666;
}
.color-legend, .r-legend {
font-size: 1.2em;
fill: #666;
}
</style>
</head>
<body>
<svg width="960" height="500"></svg>
<script>
const xValue = d => d.e;
const yValue = d => d['i (deg)'];
const rValue = d => d['P (yr)'];
const colorValue = d => d.type;
const xLabel = 'Eccentricity';
const yLabel = 'Inclination to ecliptic (deg)';
const rLabel = 'Period (yrs)';
const period_limit = 15;
const margin = { left: 100, right: 140, top: 60, bottom: 120 };
const svg = d3.select('svg');
const width = svg.attr('width');
const height = svg.attr('height');
const innerWidth = width - margin.left - margin.right;
const innerHeight = height - margin.top - margin.bottom;
const g = svg.append('g')
.attr('transform', `translate(${margin.left},${margin.top})`);
g.append("text")
.attr("x", (innerWidth / 2))
.attr("y", -20)
.attr("text-anchor", "middle")
.attr('class', 'plotTitle')
.text("Near-Earth Comets: Orbital elements");
const xAxisG = g.append('g')
.attr('transform', `translate(0, ${innerHeight})`)
.attr('class', 'axis');
const yAxisG = g.append('g')
.attr('class', 'axis');
const colorLegendG = g.append('g')
.attr('transform', `translate(${innerWidth*.6}, ${innerHeight+50})`);
const radiusLegendG = g.append('g')
.attr('transform', `translate(${innerWidth+20}, 20)`);
xAxisG.append('text')
.attr('class', 'axis-label')
.attr('x', innerWidth *.3)
.attr('y', 60)
.text(xLabel);
yAxisG.append('text')
.attr('class', 'axis-label')
.attr('x', -innerHeight / 2)
.attr('y', -60)
.attr('transform', `rotate(-90)`)
.style('text-anchor', 'middle')
.text(yLabel);
const xScale = d3.scaleLinear();
const yScale = d3.scaleLinear();
const rScale = d3.scaleSqrt();
const colorScale = d3.scaleOrdinal()
.domain(['Schwassmann-Wachmann 3 fragment', 'Period > 15 yrs', 'Other'])
.range(['#ff3d74','#0080bc','#333']);
const xAxis = d3.axisBottom()
.scale(xScale)
.tickPadding(10)
.tickSize(-innerHeight)
.tickValues([0.5, 0.6, 0.7, 0.8, 0.9, 1])
.tickFormat(d3.format(',.1f'));
const yAxis = d3.axisLeft()
.scale(yScale)
.ticks(5)
.tickPadding(20)
.tickSize(-innerWidth)
.tickValues([0, 30, 60, 90, 120, 150, 180]);
const colorLegend = d3.legendColor()
.scale(colorScale)
.shape('circle');
const radiusLegend = d3.legendSize()
.scale(rScale)
.cells([1,5,10,50,100])
.shapePadding(20)
.shape('circle')
.labelFormat('0')
.title(rLabel);
const row = d => {
d.e = +d.e;
d['i (deg)'] = +d['i (deg)'];
d['Q (AU)'] = +d['Q (AU)'];
d['q (AU)'] = +d['q (AU)'];
d['P (yr)'] = +d['P (yr)'];
d['w (deg)'] = +d['w (deg)'];
d['TP (TDB)'] = +d['TP (TDB)'];
d['Epoch (TDB)'] = +d['Epoch (TDB)'];
d['Node (deg)'] = +d['Node (deg)'];
d.class = d.Object.startsWith('73P/Schwassmann') ? 'comet schwassmann' : d['P (yr)'] > period_limit ? 'comet long' : 'comet';
d.type = d.Object.startsWith('73P/Schwassmann') ? 'Schwassmann-Wachmann 3 fragment' : d['P (yr)'] > period_limit ? 'Period > ' + period_limit + ' yrs' : 'Other';
return d;
};
d3.csv('comets.csv', row, data => {
console.log(data);
xScale
.domain([0.5, 1]) // d3.extent(data, xValue))
.range([0, innerWidth])
.nice();
yScale
.domain([0, 180]) //d3.extent(data, yValue))
.range([innerHeight, 0]);
rScale
.domain([0, d3.max(data, rValue)])
.range([0, 35]);
g.selectAll('circle').data(data)
.enter().append('circle')
.attr('class', d => d.class)
.attr('cx', d => xScale(xValue(d)))
.attr('cy', d => yScale(yValue(d)))
.attr('r', d => rScale(rValue(d)))
.attr('fill', d => colorScale(colorValue(d)))
.append('title')
.text(d => d.Object + '\n'
+ 'period: ' + d['P (yr)'] + ' years');
xAxisG.call(xAxis);
yAxisG.call(yAxis);
colorLegendG.call(colorLegend)
.attr('class', 'color-legend');
radiusLegendG.call(radiusLegend)
.attr('class','r-legend');
});
</script>
</body>
</html>
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