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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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:
Orbital Elements at Epoch 2455493.5 (2010-Oct-24.0) TDB
Reference: JPL K154/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6405847372930017 4.3158e-08  
a 3.46473701803964 2.3334e-08 au
q 1.245279365549379 1.4977e-07 au
i 7.043698689343029 3.8011e-06 deg
node 50.18000114437616 5.3835e-05 deg
peri 12.69446404906225 5.4182e-05 deg
M 92.07346224536946 2.5955e-06 deg
tp 2454891.029460959733
(2009-Feb-28.52946096)
1.9341e-05 TDB
period 2355.612450811296
6.45
2.3796e-05
6.515e-08
d
yr
n .152826497362082 1.5438e-09 deg/d
Q 5.684194670529901 3.8281e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.066669918189136E-9 1.783E-11
A2 [EST] -3.689152186829759E-11 4.497E-12
A3 [EST] 2.483436017455598E-10 1.577E-11
DT [EST] 35.07142445377104 .9227
  Orbit Determination Parameters
   # obs. used (total)      6326  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1995-07-03  
   last obs. used      2017-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64138  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2018-Feb-28 15:34:48  

Additional Information
 Earth MOID = .259321 au 
 Jupiter MOID = .0836959 au 
 T_jup = 2.746 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.3   1. K154/2 2 parameter fit from 764 observations, autocmod 2.6m
comet total magnitude slope K1 11.   n/a K154/2 autocmod 2.6m
comet nuclear magnitude M2 13.9   0.9 K154/2 from 4038 observations, autocmod 2.6m
comet nuclear magnitude slope K2 5.   n/a K154/2 autocmod 2.6m
comet nuclear phase coefficient PC 0.03   n/a K154/2 autocmod 2.6m
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 LCDB (Rev. 2019-August); Warner et al., 2009 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-Sep-29 20:45 05:32 Jupiter 0.908671999625361 0.904555590148595 0.912792226493705 5.14268388481577 4.95811344466708 2423692.364771734 331.584863794212 226174.409023029 8026.4364400762 24.0777110312727 8652.796417734 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
1928-May-10 00:52 09:00 Jupiter 1.87136234351011 1.87061775003093 1.87211863681366 7.80537071713137 7.7471649713756 2425376.536147370 540.184063144397 237466.258052349 1703.2060981346 -81.1752842559787 23962.3349286667 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
1959-Feb-04 06:24 00:02 Jupiter 0.0515584492070597 0.0515477088076942 0.0515691919706212 8.18319407032097 5.84019496781622 2436603.766386549 2.0544319803646 965.196975978792 321.723067117226 -58.3132341658669 27448.4809911346 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
1982-Nov-27 14:26 < 00:01 Earth 0.391005286291946 0.391000444945285 0.39101012765112 5.33791726721975 5.33664050556374 2445301.101577126 0.147087534641537 267.210208315515 65.2589128207745 -26.2398073208685 503974.7710921 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2007-Jul-05 07:10 < 00:01 Jupiter 1.43924752253895 1.43924584677608 1.43924919830175 9.63770639312767 9.57644763443457 2454286.798312628 0.108509127580661 83.3483426704043 71.8823795172287 9.09644656655143 1800568.07637637 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2018-Nov-11 20:57 < 00:01 Jupiter 0.375487812251439 0.375486507838066 0.37548911667239 5.61027756898293 5.19265151921725 2458434.372696897 0.672500479486976 124.24386104597 35.3795180551797 62.5759327045606 1269529.47930383 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2021-Nov-12 00:49 < 00:01 Earth 0.41823238915607 0.418225829191497 0.418238949126562 9.25568513100564 9.25499679217238 2459530.534348674 0.187294333298092 336.442313425059 19.3596809863136 -13.5797442001109 655906.014544241 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2030-Jan-29 12:51 < 00:01 Jupiter 1.05661361026534 1.05661008032138 1.05661714021081 9.048347975213 8.95931489497886 2462531.035559186 0.517009113432217 228.856453077963 155.469842978242 62.0231854796647 653199.941895334 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2034-Nov-28 23:50 < 00:01 Earth 0.451722974373626 0.451709264579991 0.451736684198792 4.75131864629615 4.75007704325268 2464295.493279083 0.428624762310266 709.175004339768 41.7131535569165 -15.4155592242101 310722.132117008 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2067-Oct-26 08:32 00:05 Mars 0.0671903600021427 0.0671372597918544 0.0672434604895348 10.3042234665037 10.3038099501739 2476314.855736135 4.7451617253391 2656.64801005198 126.827302429161 -4.65102316623953 7554.88757706783 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2067-Nov-12 18:42 00:02 Earth 0.441814295146661 0.44175671907221 0.441871877051658 4.96123137528335 4.96001564754489 2476332.279203729 1.61617181556432 3830.6234163495 170.588837535401 -41.4940219463577 179597.18657558 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2078-Jun-15 16:43 00:03 Jupiter 0.331854079913312 0.331848406107682 0.331859753826804 5.75736161544183 5.29550978156816 2480200.196668216 2.7406522301242 554.528971237167 218.117332795174 -68.5468872372178 243326.826734009 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2080-Nov-01 21:56 00:02 Earth 0.49611039923109 0.496056146593427 0.496164654042626 3.04053709191524 3.03877020023623 2481070.414118458 2.02984269761028 3168.59136106074 320.488791732482 -31.3917018920233 83268.0081305319 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2089-May-11 05:09 00:02 Jupiter 1.79911211263386 1.79910271583767 1.79912150951074 11.0307129203558 10.9879491689118 2484182.714778228 2.32258176467107 1027.81199943164 352.079217106399 71.5333544765974 597670.067246573 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2114-Nov-07 23:25 00:02 Earth 0.444593646103858 0.444532786926881 0.444654510309351 2.73653410045228 2.73434320261895 2493493.475647075 2.21701987709958 3853.68539744368 356.188364011334 -38.142517828868 122311.450476412 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2125-Oct-13 17:21 00:06 Jupiter 0.402199685025772 0.402190176673173 0.402209193830383 5.53380933775543 5.13917265879226 2497486.223104682 5.88070410717505 881.250668674774 173.034482082126 -58.3837915479345 463247.422554876 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2161-Jul-25 18:36 00:05 Jupiter 0.541340175320037 0.541247583331546 0.541432767700098 7.48319529528946 7.27109743081914 2510555.275246104 5.00215029444957 4674.62649597614 246.101982616475 12.7213649634261 60112.4818957949 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10
2172-Mar-01 11:59 00:11 Jupiter 0.638343101622074 0.638318067374079 0.63836814192668 7.01582423445231 6.82407311311565 2514426.999257019 10.8679000460171 4787.03276498739 911.53304107493 80.4213384444669 98064.4519834101 T K154/2 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:52 2018-Mar-07 07:10

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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