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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 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL K084/20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6410189001180967 3.3253e-08  
a 3.463049865528343 1.2713e-07 AU
q 1.243169449673242 1.461e-07 AU
i 7.040450026522257 8.681e-06 deg
node 50.14697961599386 8.2043e-05 deg
peri 12.77996164427588 8.2403e-05 deg
M 303.710525763619 1.8067e-05 deg
tp 2457247.553740695956
(2015-Aug-13.05374070)
0.00013808 JED
period 2353.89206326797
6.44
0.00012962
3.549e-07
d
yr
n .1529381935636431 8.4215e-09 deg/d
Q 5.682930281383444 2.0862e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.084499914458382E-9 2.567E-11
A2 [EST] 1.073868373530036E-10 5.888E-13
A3 [EST] 1.712608597367377E-10 3.914E-11
  Orbit Determination Parameters
   # obs. used (total)      3361  
   data-arc span      9518 days (26.06 yr)  
   first obs. used      1988-07-06  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .71066  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Jul-31 13:52:04  

Additional Information
 Earth MOID = .258337 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. K084/20 2 parameter fit from 501 observations, autocmod 2.5c
comet total magnitude slope K1 11.   n/a K084/20 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. 2014-Mar-01) 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 16:08 02:53 Jupiter 0.919601332110253 0.916720518028252 0.922483520951594 5.13722803390262 4.95469073797258 2423694.171980975 173.390248998363 11187.9088140858 403.290616921759 5.38551154187538 2786.2827672845 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
1928-May-06 20:46 13:04 Jupiter 1.86922848289036 1.86676445759425 1.87169998327933 7.79138553298943 7.73300770594097 2425373.365369623 783.973581184134 28892.8730988241 429.578123598409 56.6854167050756 70530.9043130066 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
1959-Feb-04 06:19 00:02 Jupiter 0.0515217707672969 0.0515047503875295 0.0515387969583864 8.18474971712156 5.84037235080371 2436603.763023553 2.09630224116269 130.395341367521 18.4759832452634 -49.4476514427311 39895.5014452816 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
1982-Nov-27 14:23 00:01 Earth 0.390972444567645 0.390962231791331 0.390982657621719 5.33803397886314 5.33675713787054 2445301.099590584 1.33183674172615 464.311885543057 31.3043080712683 -34.7590059758747 462180.369096291 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2007-Jul-05 07:09 < 00:01 Jupiter 1.4392456827782 1.43924409373306 1.43924727182503 9.63769304356802 9.57643412092366 2454286.797647331 0.0999884593012393 16.9249038275142 14.9028787671552 -24.2018020077746 2080632.0361948 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2018-Nov-11 20:49 00:01 Jupiter 0.375484871820009 0.375482952759606 0.375486790889561 5.61025414576569 5.19262281017457 2458434.367453148 1.10258043247913 13.2423531210791 4.78339467970847 56.4846797225398 931745.839220624 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2021-Nov-12 00:52 < 00:01 Earth 0.418244472163279 0.418227262086325 0.41826168214268 9.25532001594743 9.25463166984524 2459530.535883745 0.22062471544098 783.748466846651 16.8482503896225 -8.62807579650173 359148.328039952 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2030-Jan-29 12:49 < 00:01 Jupiter 1.05662648438499 1.05661853761232 1.05663443112233 9.04829599411773 8.95926348750992 2462531.034238178 0.831688498434619 81.3141691315947 42.3614511420205 5.72269640933122 295509.809647792 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2034-Nov-29 00:04 00:04 Earth 0.451848979476013 0.451814668007996 0.451883290477865 4.75028810591619 4.74904657980624 2464295.502941999 4.42803373894255 1329.32419129449 31.2768933770581 -12.4713083325024 183854.774872165 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2067-Oct-26 07:11 00:10 Mars 0.0668427568536304 0.0667264697960776 0.0669590554174869 10.3087382149564 10.3083227302197 2476314.799603821 10.1279490084087 5119.09385922332 165.736971543874 -4.33226254767996 4439.92340777679 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2067-Nov-12 19:04 00:13 Earth 0.441498316789989 0.441375560568407 0.441621062239802 4.96033338218449 4.95911656394783 2476332.294439982 12.5550349393901 4627.53645867318 56.7723930770826 10.328299615064 84904.5436789054 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2078-Jun-15 17:03 00:04 Jupiter 0.331827550538849 0.331812293370042 0.33184280855752 5.75735438115656 5.29546338120978 2480200.210648885 4.46161526616109 94.729729869445 24.0516939917289 -52.7775488606661 158520.189912266 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2080-Nov-01 22:09 00:52 Earth 0.495992167017371 0.4958876049262 0.49609673533818 3.0405920991943 3.03882481820074 2481070.422810593 51.6207528886989 3651.67100139972 72.2887493689142 -4.60603624884855 22257.8255990591 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2089-May-11 05:08 00:03 Jupiter 1.79918212384753 1.79914174310409 1.79922250400497 11.0306368149184 10.9878744345862 2484182.713555524 3.01923531293146 544.762655784212 257.399032590585 -1.58493182303237 90131.0461470189 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2114-Nov-07 23:21 01:31 Earth 0.44463620232367 0.444509022218895 0.444763390333915 2.73549893289571 2.73330741517288 2493493.472926697 91.3063931108358 4077.68622406893 86.5298116172657 -5.45474062475054 17774.3647285843 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2125-Oct-13 16:48 00:15 Jupiter 0.402242007460837 0.402205120987533 0.402278896870481 5.53356772880363 5.13895561427813 2497486.200179151 15.4785071475128 170.119670956942 26.0077508467499 -41.3187267382476 141067.353084548 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2161-Jul-25 18:34 00:08 Jupiter 0.54128765899943 0.541067032032965 0.541508263723787 7.48285631298116 7.27072768080329 2510555.273753989 7.58417752134967 1710.19241655258 57.2826917451829 17.9493226221227 53471.2848698826 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02
2172-Mar-01 12:16 00:18 Jupiter 0.638550376817777 0.638438062274614 0.63866274057286 7.01580846918366 6.82412002213871 2514427.011281943 18.1582119135838 1510.6286099563 133.958452129678 52.0979609219902 65590.7822864512 T K084/20 CATAB v2.0c-linF95 2014-Jul-31 14:02:01 2014-Jul-31 14:02

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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