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67P/Churyumov-Gerasimenko
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000012
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456646.5 (2013-Dec-20.0) TDB
Reference: JPL K084/15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6411316148431488 3.2579e-08  
a 3.46340638039073 1.3981e-07 AU
q 1.242907054872756 1.4525e-07 AU
i 7.041832483150398 8.9977e-06 deg
node 50.16006617573287 7.6057e-05 deg
peri 12.76353580659799 7.6352e-05 deg
M 268.103836791589 1.7232e-05 deg
tp 2457247.464038173618
(2015-Aug-12.96403817)
0.00014856 JED
period 2354.255566163842
6.45
0.00014256
3.903e-07
d
yr
n .1529145795274064 9.2593e-09 deg/d
Q 5.683905705908703 2.2945e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.070325605997264E-9 2.338E-11
A2 [EST] 1.062247983455114E-10 6.652E-13
A3 [EST] 1.263714244875916E-10 3.925E-11
  Orbit Determination Parameters
   # obs. used (total)      2884  
   data-arc span      9222 days (25.25 yr)  
   first obs. used      1988-07-06  
   last obs. used      2013-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .76288  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2013-Dec-10 10:56:09  

Additional Information
 Earth MOID = .257094 AU 
 T_jup = 2.745 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.4 mag 1. K084/15 2 parameter fit from 496 observations, autocmod 2.5c
comet total magnitude slope K1 11.   n/a K084/15 autocmod 2.5c
diameter diameter 4.0 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264  
rotation period rot_per 12.76137 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Lowry, S.; Duddy, S.R.; Rozitis, B.; Green, S.F.; et al. (2012) Astron. Astrophys. 548, A12.]

67P/Churyumov-Gerasimenko          Discovered 1969-Oct-22 by Churyumov, Klim Ivanovic at Alma-Ata Observatory, Russia
discovered on plate/photo taken on 9/11
Reference: comet.disLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1923-Oct-01 21:25 02:55 Jupiter 0.92075147899754 0.917881730421575 0.923622656759984 5.13637474651071 4.95403825956182 2423694.392627974 175.348671242135 11095.2039001982 436.111763301012 5.15770202090752 2516.41055406144 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
1928-May-06 15:54 12:40 Jupiter 1.86912225470324 1.86674353424504 1.8715079085392 7.79001382838605 7.73162231333794 2425373.162798919 759.690006213643 27842.8429983398 481.291629231792 56.6303333171247 62899.2262627514 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
1959-Feb-04 06:20 00:02 Jupiter 0.0515273301066938 0.0515103793997916 0.0515442870128821 8.1845142402427 5.84034605917373 2436603.764011606 1.9061250389439 133.077489094195 19.2873378661437 -50.747111477888 39007.4142750406 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
1982-Nov-27 14:24 00:01 Earth 0.390979092926561 0.390967329409749 0.390990856797363 5.33807154782996 5.33679473754017 2445301.099916262 1.47654520131946 529.026946266791 30.5960404173868 -34.9704936452588 474789.712771741 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2007-Jul-05 07:09 < 00:01 Jupiter 1.43924611447952 1.43924454924072 1.43924767971934 9.63769481052269 9.5764359176146 2454286.797728512 0.0995022972596852 16.5314087012568 14.12209174655 -12.7881769200335 2098906.10799164 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2018-Nov-11 20:51 00:01 Jupiter 0.375485210443813 0.375483463186957 0.375486957709766 5.61025277375425 5.19262171959362 2458434.368979286 1.17948958791741 12.7062693826072 5.11266336102757 61.0721868102832 912323.092217636 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2021-Nov-12 00:52 < 00:01 Earth 0.41824820237743 0.41823154674018 0.418264857923102 9.25535748215749 9.2546691449813 2459530.535965460 0.200475278478938 759.54143051934 17.8249606213098 -8.43088497772521 332576.587540506 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2030-Jan-29 12:50 < 00:01 Jupiter 1.05662200402014 1.05661266895113 1.05663133904127 9.04827909363391 8.95924603967895 2462531.034557207 0.74182789975459 96.238687093146 41.12388395371 8.19632512516653 257286.0979836 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2034-Nov-29 00:05 00:04 Earth 0.451853685860498 0.451821688900325 0.451885682424252 4.75021613500617 4.74897460301413 2464295.503445494 4.23027019609982 1240.95170203895 32.0108301266631 -12.361820932708 178308.441862563 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2067-Oct-26 07:04 00:10 Mars 0.0668121473127623 0.0667015676047795 0.0669227373574345 10.3091656573922 10.3087499995357 2476314.794453600 9.56088320939208 4867.75959085578 164.227979813523 -4.25636941405887 4442.71608690988 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2067-Nov-12 19:06 00:12 Earth 0.441469025886533 0.441353290838482 0.441584751756922 4.96029865970105 4.95908175219967 2476332.296163940 11.8614417587847 4390.07260499461 55.8386572968955 10.3227014742132 86286.5787356303 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2078-Jun-15 17:13 00:05 Jupiter 0.331818204396746 0.331801979664274 0.331834430204255 5.75738015667046 5.29547782779207 2480200.217520074 5.26209155524702 103.935818898339 24.5610674477366 -54.439502779128 157958.642332715 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2080-Nov-01 22:11 00:48 Earth 0.495973484700293 0.495876543497672 0.496070433256657 3.04065563735045 3.03888832671996 2481070.424441878 48.2298018959998 3441.00712032405 75.1963528110011 -4.78795494758007 22324.3270226707 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2089-May-11 05:09 00:03 Jupiter 1.79919019271513 1.79914860437156 1.79923178037239 11.0306315348005 10.9878693260698 2484182.714767910 2.73286278550312 565.510825312567 283.670354568972 2.10203007410318 86882.3821932004 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2114-Nov-07 23:16 01:33 Earth 0.444686958438107 0.44455854723446 0.444815378317501 2.73524861193826 2.73305714375491 2493493.469164306 92.5008475426289 4128.23085784331 89.4641868863915 -5.45614733377551 17213.5877241611 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2125-Oct-13 16:44 00:15 Jupiter 0.402249938167317 0.402212983908748 0.402286895469552 5.5335386091863 5.13893233747374 2497486.197002937 15.2334335909026 173.888841102225 26.4560026895122 -42.416976990001 141555.561136247 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2161-Jul-25 18:35 00:07 Jupiter 0.541321961561032 0.541101167827833 0.541542732975951 7.48292881264167 7.2708159338066 2510555.274293934 7.04390489651763 1711.87732040979 60.3019637577278 17.9455739533037 50817.2561497607 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02
2172-Mar-01 12:15 00:18 Jupiter 0.638581334092044 0.638472358820471 0.638690358092764 7.01588027396665 6.82420326700314 2514427.010441932 17.8027916468434 1496.14581546883 150.545568467272 52.7276933964747 58900.0363811076 T K084/15 CATAB v2.0c-linF95 2013-Dec-10 11:02:03 2013-Dec-10 11:02

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1989.8       1989 VI   1988i 
 1983.4       1982 VIII   1982f 
 1976.9   67P/1975 P1   1976 VII   1975i 
 1970.5   67P/1969 R1   1969 IV   1969h 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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