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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 2457331.5 (2015-Nov-05.0) TDB
Reference: JPL K084/24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .64093009801435 2.9609e-08  
a 3.462505635805988 2.0849e-07 au
q 1.243281559273617 8.5725e-08 au
i 7.040168070284028 1.347e-05 deg
node 50.13500663540592 6.871e-05 deg
peri 12.80065127074631 7.0935e-05 deg
M 12.8359406450424 5.4414e-06 deg
tp 2457247.590842652107
(2015-Aug-13.09084265)
2.9262e-05 JED
period 2353.337202202503
6.44
0.00021256
5.82e-07
d
yr
n .1529742527603243 1.3817e-08 deg/d
Q 5.68172971233836 3.4212e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 9.919855951390668E-10 2.188E-11
A2 [EST] 1.057263467729529E-10 1.809E-13
A3 [EST] 4.00765852820757E-11 3.285E-11
  Orbit Determination Parameters
   # obs. used (total)      5099  
   data-arc span      9970 days (27.30 yr)  
   first obs. used      1988-07-06  
   last obs. used      2015-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70995  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2015-Oct-26 15:14:49  

Additional Information
 Earth MOID = .257176 au 
 T_jup = 2.746 
[ 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 11.1 mag 1. K084/24 2 parameter fit from 580 observations, autocmod 2.6
comet total magnitude slope K1 12.   n/a K084/24 autocmod 2.6
comet nuclear magnitude M2 13.7 mag 0.8 K084/24 from 3029 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a K084/24 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a K084/24 autocmod 2.6
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. 2016-February); 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-Oct-02 19:34 02:30 Jupiter 0.926082406281133 0.923631753842387 0.928534070724122 5.13353405854917 4.95216240028188 2423695.315348885 150.294755097343 9494.87046198919 159.58994726375 5.36408079301889 6652.46505632668 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
1928-May-05 05:14 10:39 Jupiter 1.86818489433024 1.86619555216481 1.87017897525481 7.78320802649866 7.72473563185722 2425371.717813722 639.345322567057 23066.9738162078 170.965711434967 56.3055025883197 176154.47791818 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
1959-Feb-04 06:15 00:02 Jupiter 0.0515182867651406 0.0515093912695382 0.0515271832435457 8.18487711903775 5.8403605321916 2436603.760761876 1.60187653893693 60.0740842274062 13.6824143408919 -42.7754636018589 48895.2812285623 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
1982-Nov-27 14:24 < 00:01 Earth 0.390983123802192 0.390978343403605 0.390987904251849 5.33812910964135 5.3368523262877 2445301.099992910 0.575362253083718 210.959847242293 27.0764890517687 -33.8908913995197 529603.193372798 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2007-Jul-05 07:09 < 00:01 Jupiter 1.43924445587421 1.43924290030922 1.43924601143845 9.63769491425632 9.57643595119041 2454286.797816765 0.095385034857941 16.3936233310354 13.4320157433582 -9.17354126418386 2110612.51393821 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2018-Nov-11 20:56 < 00:01 Jupiter 0.37548545547073 0.375483889153966 0.375487021798419 5.61025361044032 5.19262290706135 2458434.372183965 0.944988131574536 11.5266823767107 1.93633127695445 55.4175956855631 2223494.35282768 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2021-Nov-12 00:52 < 00:01 Earth 0.418246917159856 0.418238172944274 0.418255661350792 9.25529473478401 9.25460639082554 2459530.536219457 0.156624678548473 398.017640785619 11.7442938060277 -9.49269270918837 569537.405600379 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2030-Jan-29 12:52 < 00:01 Jupiter 1.05661627094134 1.05661129540054 1.05662124647431 9.04826446062518 8.95923077576927 2462531.036062305 0.645532511205323 43.8407398022768 35.8626155710226 -5.72695310119337 542303.304062269 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2034-Nov-29 00:03 00:02 Earth 0.451829784097228 0.451809980129843 0.451849587913101 4.75023756431418 4.74899597223917 2464295.502111262 2.29490531667469 767.905211372509 25.514476694811 -12.617123933634 229169.202005473 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2067-Oct-26 07:24 00:06 Mars 0.0668862515084496 0.0668202737240397 0.0669522330550837 10.3080808827767 10.3076656417473 2476314.808375683 5.90325528551585 2904.0368426859 140.104545931752 -4.44390952057466 5838.68679431977 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2067-Nov-12 19:00 00:07 Earth 0.44155051421682 0.441478681037689 0.441622343229903 4.96011743726254 4.95890070990597 2476332.291513192 7.28859543165733 2650.29164983627 47.9727582743001 10.2674478889743 100171.874037592 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2078-Jun-15 17:22 00:03 Jupiter 0.331816387478026 0.33181003546518 0.331822739545294 5.75737919283469 5.29547414034974 2480200.223517662 2.71194033906037 34.1142906178167 19.7153192594723 -50.445475776825 204088.404759364 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2080-Nov-01 22:03 00:31 Earth 0.496044240944861 0.495978987665459 0.496109493821909 3.04000699660368 3.03823956088408 2481070.419011901 31.4035390213737 2147.77750567709 55.0263483581426 -3.97354731218242 26106.5781414619 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2089-May-11 05:20 00:02 Jupiter 1.79921235979194 1.79917883097538 1.79924588822431 11.0306888020423 10.9879273440526 2484182.722267027 2.38756380698597 437.875743925139 111.301141617703 -8.22857312115143 127353.660981729 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2114-Nov-07 23:01 01:16 Earth 0.444818054672843 0.444712257439127 0.444923856500041 2.73468582983278 2.73249455655542 2493493.459338579 75.7309912503085 3372.24469713705 40.4646883096132 -5.32565369098894 36523.2564308615 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2125-Oct-13 16:44 00:13 Jupiter 0.402261145058111 0.40223045033721 0.402291841825151 5.53350541461582 5.1389080097367 2497486.197067097 12.9619620318977 140.809454148927 12.5377850572165 -40.4945187597291 284898.748986203 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2161-Jul-25 18:48 00:06 Jupiter 0.541369221539147 0.541185548405735 0.541552879068448 7.48305282582124 7.27096235137208 2510555.283089941 6.39275558820471 1423.7862518333 49.2275324905837 17.8386745668022 61879.6457548798 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22
2172-Mar-01 12:24 00:15 Jupiter 0.638591550213013 0.638501299080307 0.638681837838218 7.01596949907233 6.82429810766537 2514427.016510523 15.3792129159407 1253.48719861631 57.9054129007805 52.6142061462516 152545.793056148 T K084/24 CATAB v2.0c-linF95 2015-Oct-26 15:22:02 2015-Oct-26 15:22

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1989.8       1989 VI   1988i 
 1983.4       1982 VIII   1982f 
 1977.0   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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