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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 2457164.5 (2015-May-22.0) TDB
Reference: JPL K084/22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6408895564455845 3.1762e-08  
a 3.462057168694966 2.6732e-07 AU
q 1.243260885460793 1.1743e-07 AU
i 7.040238805457465 9.066e-06 deg
node 50.13613368039552 7.0991e-05 deg
peri 12.79538014444266 7.1545e-05 deg
M 347.2875579524029 1.3479e-05 deg
tp 2457247.585696490531
(2015-Aug-13.08569649)
9.4675e-05 JED
period 2352.880007208757
6.44
0.00027251
7.461e-07
d
yr
n .1530039776346568 1.7721e-08 deg/d
Q 5.680853451929138 4.3864e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.080417365339841E-9 2.397E-11
A2 [EST] 1.076337222594866E-10 4.079E-13
A3 [EST] 1.899718133707674E-10 3.821E-11
  Orbit Determination Parameters
   # obs. used (total)      3690  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1988-07-06  
   last obs. used      2015-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .691  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2015-May-12 21:40:51  

Additional Information
 Earth MOID = .256052 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. K084/22 2 parameter fit from 502 observations, autocmod 2.6
comet total magnitude slope K1 11.   n/a K084/22 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. 2015-May); 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-01 13:26 02:47 Jupiter 0.91899137016251 0.916212552868975 0.921771490373093 5.13762797999024 4.95498203897324 2423694.059911329 167.11990979356 10774.5874445441 296.54592879154 5.27715710014196 3600.48462685964 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
1928-May-06 23:56 12:22 Jupiter 1.86930725263513 1.86699422097759 1.87162680950991 7.79213544158772 7.73376574417527 2425373.497333371 741.725301809054 27032.9498442827 321.656405450274 56.5576472759641 94068.0183225333 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
1959-Feb-04 06:18 00:02 Jupiter 0.0515205604013062 0.0515070390267523 0.0515340849788155 8.18480221924272 5.84037979778396 2436603.762308378 1.8870755363587 99.8301377599737 17.1652026495173 -47.7327930008715 41954.3321534846 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
1982-Nov-27 14:23 < 00:01 Earth 0.39097113263338 0.390963707582855 0.39097855782639 5.33802532943363 5.33674848208656 2445301.099508981 0.972869861945456 338.347144398412 30.6749313549064 -34.452479655388 469874.595954175 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2007-Jul-05 07:09 < 00:01 Jupiter 1.43924580450479 1.43924423243799 1.43924737657323 9.63769282516988 9.57643390632609 2454286.797636481 0.0971851794851745 16.7304174622882 14.6931990137701 -24.1669708082598 2105821.80568679 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2018-Nov-11 20:49 < 00:01 Jupiter 0.375485268435291 0.375483451801611 0.375487085080359 5.61025411190189 5.19262323245993 2458434.367324871 0.986210095824299 12.816079876423 3.46056659955719 55.2238464465191 1254844.37820761 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2021-Nov-12 00:52 < 00:01 Earth 0.418241256493354 0.418227499330509 0.418255013594159 9.25526597280109 9.25457761738661 2459530.535919708 0.195577201528249 626.734059266562 15.3702589374991 -8.86364004894063 405278.561394032 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2030-Jan-29 12:50 < 00:01 Jupiter 1.05662666422577 1.05662039956698 1.05663292886487 9.04829770024485 8.9592652258205 2462531.034400393 0.751894714438355 61.2226464037253 41.0239294076743 -0.715467693553848 387427.447999841 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2034-Nov-29 00:04 00:04 Earth 0.451845694843308 0.451817448421016 0.451873940954445 4.75031279408713 4.74907126540505 2464295.502695166 3.53646887977258 1095.35520461322 30.1627245012389 -12.4937048951883 191373.05113039 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2067-Oct-26 07:14 00:08 Mars 0.0668540645237364 0.0667591106833586 0.0669490260726336 10.3085790308875 10.3081636100121 2476314.801631148 8.33798543298492 4179.80176795461 161.811385390173 -4.36610138575519 4727.26056781558 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2067-Nov-12 19:03 00:10 Earth 0.441509995471788 0.441408811431485 0.441611171889138 4.96033388978865 4.95911710386737 2476332.293776005 10.3247145993249 3789.50930192335 55.5623419953443 10.3079325358206 86671.4354206052 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2078-Jun-15 17:02 00:03 Jupiter 0.331830210660584 0.331818829960315 0.331841591744382 5.75734898539569 5.29546137905232 2480200.210001815 3.42826350970024 67.9707454226749 23.0242560364376 -51.8534932825095 166222.37734611 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2080-Nov-01 22:08 00:43 Earth 0.49600265079202 0.495914786853956 0.49609051735815 3.04053422565384 3.03876694836804 2481070.421998258 43.0281371660235 3012.03387340936 66.2765919381529 -4.41236748370637 23484.6630480939 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2089-May-11 05:08 00:03 Jupiter 1.79917417112056 1.79913502119266 1.79921332047691 11.0306208017512 10.9878581697124 2484182.713747802 2.75939108758774 520.173585707549 190.659380221669 -5.66116458899005 97153.6384979805 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2114-Nov-07 23:24 01:29 Earth 0.444613605509408 0.444489992994871 0.444737225130177 2.73559974169541 2.7334081933752 2493493.474754810 88.6892203213612 3956.89787674342 66.6647597402094 -5.395786223893 22627.457046532 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2125-Oct-13 16:56 00:15 Jupiter 0.402234913657235 0.40219928921206 0.402270540846717 5.53358868985405 5.1389709583462 2497486.205798632 14.7988506863417 163.845633682316 20.2887252654756 -40.8882678725815 178362.196860052 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2161-Jul-25 18:38 00:07 Jupiter 0.541243638552122 0.541031632792567 0.54145562389144 7.48275299744355 7.27060384610538 2510555.276253105 7.10148492482806 1643.79620541723 52.4737458429672 18.0174197564823 58552.9376262796 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52
2172-Mar-01 12:27 00:17 Jupiter 0.638527428026617 0.638421173775345 0.63863372904558 7.01569137288934 6.82399265036669 2514427.018791455 17.2772937000969 1447.40852363593 98.5063706717282 52.2392837287979 89274.4928743936 T K084/22 CATAB v2.0c-linF95 2015-May-12 21:52:01 2015-May-12 21:52

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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