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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 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL K084/21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6409739314162571 3.3193e-08  
a 3.462817302992186 1.2487e-07 AU
q 1.243241682517044 1.4595e-07 AU
i 7.040200902346087 8.48e-06 deg
node 50.14210951437195 8.1839e-05 deg
peri 12.78560606538363 8.2116e-05 deg
M 319.3033467788339 1.8653e-05 deg
tp 2457247.571887218705
(2015-Aug-13.07188722)
0.00013614 JED
period 2353.654952366357
6.44
0.00012731
3.486e-07
d
yr
n .1529536007977963 8.2734e-09 deg/d
Q 5.682392923467328 2.0491e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.085259451686372E-9 2.503E-11
A2 [EST] 1.073852622154103E-10 5.683E-13
A3 [EST] 1.958760302847E-10 3.874E-11
  Orbit Determination Parameters
   # obs. used (total)      3631  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1988-07-06  
   last obs. used      2014-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68789  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Nov-10 13:30:50  

Additional Information
 Earth MOID = .257189 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 11.4 mag 1. K084/21 2 parameter fit from 501 observations, autocmod 2.6
comet total magnitude slope K1 11.   n/a K084/21 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 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 13:00 02:48 Jupiter 0.918846666952627 0.916040291572063 0.921654329570151 5.13764231499861 4.95496760852803 2423694.041476718 168.084986312784 10912.1718111532 393.622137556527 5.44384360866448 2880.96099820382 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
1928-May-07 01:36 12:51 Jupiter 1.86935911040609 1.86693291058345 1.87179257911447 7.79234556455832 7.73397907827713 2425373.566326958 770.935036406707 28482.5467890983 413.936953785232 56.7249798215466 73243.1445579437 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
1959-Feb-04 06:19 00:02 Jupiter 0.0515228310925514 0.0515058884795858 0.0515397794288727 8.18470751265524 5.84037113517465 2436603.762931558 2.08347907275102 129.433987441585 17.7253475789231 -49.2543954488088 41434.7681066654 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
1982-Nov-27 14:23 00:01 Earth 0.390972449621971 0.390962693376369 0.390982206121254 5.33802761033795 5.33675076783816 2445301.099593292 1.29424406677886 445.816932098771 31.0975040584519 -34.6653979505939 464326.24731003 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2007-Jul-05 07:09 < 00:01 Jupiter 1.43924578727545 1.43924421524577 1.43924735930684 9.63769300133893 9.57643408288639 2454286.797643306 0.0988799435323909 16.7558891013636 14.7682334406711 -24.7753442473328 2103375.42958837 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2018-Nov-11 20:49 00:01 Jupiter 0.375485096248085 0.375483193849672 0.375486998655321 5.61025429215734 5.19262322799728 2458434.367376411 1.00136214657369 12.8829452663012 4.69292292202719 55.5305195646427 941360.066787122 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2021-Nov-12 00:52 < 00:01 Earth 0.418243735283398 0.41822654204529 0.418260928424642 9.25531959794958 9.2546312506035 2459530.535853174 0.218619245347182 782.965612105195 15.9937690338967 -8.63159950283036 378123.839419966 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2030-Jan-29 12:49 < 00:01 Jupiter 1.05662571778727 1.05661836374172 1.05663307180163 9.04829445427516 8.95926186744981 2462531.034245137 0.816031158178405 75.6872633026379 41.9502167681032 3.85862303025935 314941.334111758 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2034-Nov-29 00:04 00:04 Earth 0.451850104760401 0.451815817698938 0.451884391360122 4.75029564336364 4.74905412231646 2464295.502998872 4.42683534152204 1328.20463016292 30.5564070904706 -12.4737866617533 188180.645538689 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2067-Oct-26 07:11 00:10 Mars 0.0668400148575573 0.0667237580666681 0.0669562831482839 10.3087813441177 10.3083658440745 2476314.799115043 10.1257918936519 5117.75926163864 164.188655785285 -4.33094912924861 4474.1436849061 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2067-Nov-12 19:04 00:13 Earth 0.441495406226429 0.441372669427413 0.441618132268798 4.96035104207239 4.95913422014607 2476332.294627535 12.5517695327218 4626.58636133994 56.4257512459793 10.3275586631251 85417.5146429829 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2078-Jun-15 17:04 00:04 Jupiter 0.331828365313429 0.331813337516097 0.331843393919758 5.75735485449752 5.29546507943047 2480200.210783192 4.12347883157694 92.423171422712 23.2267325203383 -52.128776338396 162782.983543335 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2080-Nov-01 22:09 00:52 Earth 0.495990400562077 0.495885865503987 0.496094941839599 3.04062623130479 3.03885896386524 2481070.422984531 51.6004284229262 3651.28830182076 69.3693449195202 -4.60755186116371 23149.3306848373 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2089-May-11 05:07 00:03 Jupiter 1.79917179112646 1.79913234859993 1.79921123303577 11.0306095831991 10.9878468508221 2484182.713099730 2.97846516225872 532.787287331281 249.02709711145 -2.67467386262479 92390.3298652324 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2114-Nov-07 23:25 01:30 Earth 0.444605416686115 0.444479976639374 0.444730864355151 2.73562642426473 2.73343485695732 2493493.475397952 90.0112677108919 4020.85804269119 85.6038119356703 -5.45220959598695 17961.0335831212 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2125-Oct-13 16:57 00:15 Jupiter 0.402233845579396 0.40219768432093 0.402270009631747 5.53358973457937 5.13897099520905 2497486.206027579 15.0813676289151 165.982539281086 25.7329231262631 -41.0490308231517 141895.810051822 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2161-Jul-25 18:37 00:07 Jupiter 0.541238540971035 0.541023335265398 0.541453725725596 7.48273683908156 7.27058518900311 2510555.275686396 7.37794192435122 1668.56519303792 53.2857212135372 18.0544639129722 57776.2494002778 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32
2172-Mar-01 12:27 00:18 Jupiter 0.638529002221656 0.638418219007333 0.638639832003147 7.01567734063654 6.82397870316371 2514427.019055792 17.5608419949061 1475.79822855033 128.141885736009 51.8159646034381 68295.2102677104 T K084/21 CATAB v2.0c-linF95 2014-Nov-10 13:32:03 2014-Nov-10 13:32

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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