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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 2456780.5 (2014-May-03.0) TDB
Reference: JPL K084/16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6410532328350245 3.2569e-08  
a 3.463242237470248 1.373e-07 AU
q 1.243119605049142 1.4485e-07 AU
i 7.040848762748019 8.9643e-06 deg
node 50.15180617652601 7.5884e-05 deg
peri 12.773219225972 7.6148e-05 deg
M 288.5790270077859 1.8196e-05 deg
tp 2457247.531305577176
(2015-Aug-13.03130558)
0.00014638 JED
period 2354.088203560486
6.45
0.00013999
3.833e-07
d
yr
n .1529254509051577 9.0943e-09 deg/d
Q 5.683364869891354 2.2532e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.074213166149874E-9 2.317E-11
A2 [EST] 1.064203034631902E-10 6.495E-13
A3 [EST] 1.297521996146775E-10 3.921E-11
  Orbit Determination Parameters
   # obs. used (total)      2924  
   data-arc span      9409 days (25.76 yr)  
   first obs. used      1988-07-06  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .75867  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Apr-23 11:45:20  

Additional Information
 Earth MOID = .25582 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. K084/16 2 parameter fit from 496 observations, autocmod 2.5c
comet total magnitude slope K1 11.   n/a K084/16 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. 2013-Sep-12) 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 20:11 02:54 Jupiter 0.92047400586414 0.917625380415072 0.923324030703359 5.13656161523153 4.9541760316187 2423694.341206325 173.673701820858 11020.0032337509 428.901172549746 5.1861181643426 2565.89980026896 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
1928-May-06 17:18 12:37 Jupiter 1.86915589141651 1.86678470068929 1.87153397774608 7.79035344284574 7.73196554726979 2425373.220672298 756.950689628413 27764.2028800419 470.909700985512 56.6412443313039 64297.7798378185 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
1959-Feb-04 06:20 00:02 Jupiter 0.0515266178188708 0.0515097859266384 0.0515434557672119 8.18454506157789 5.84035034316592 2436603.763914567 1.9045320007553 131.72792707175 19.0375660112935 -50.5825174909235 39419.0207310003 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
1982-Nov-27 14:24 00:01 Earth 0.39097789187918 0.390966438701245 0.390989345394766 5.33806654967558 5.33678973426728 2445301.099856608 1.4460707534583 515.931124327566 30.5638241616686 -34.9380487535945 474986.787482412 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2007-Jul-05 07:09 < 00:01 Jupiter 1.43924608529413 1.43924452786613 1.43924764272314 9.63769448025564 9.57643558398869 2454286.797710758 0.09883220224763 16.4452954884925 14.0371970786748 -12.771072884698 2109959.10624361 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2018-Nov-11 20:51 00:01 Jupiter 0.375485274896482 0.375483535282014 0.37548701451896 5.61025284697964 5.19262187327824 2458434.368673517 1.13376416824696 12.5095201424339 5.04641682372932 60.4764018357146 920089.405973798 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2021-Nov-12 00:52 < 00:01 Earth 0.418247139871701 0.418230560549237 0.418263719104965 9.25534292302565 9.25465458301789 2459530.535956358 0.200230923507211 755.997553380426 17.5060271499228 -8.44363175491852 339021.146531338 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2030-Jan-29 12:50 < 00:01 Jupiter 1.05662292388834 1.05661389701981 1.05663195071164 9.04828230207998 8.95924935790407 2462531.034488303 0.737799378775544 93.0992708183475 41.0355537182701 7.68120291761749 263920.505726758 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2034-Nov-29 00:05 00:04 Earth 0.451853147662138 0.451821179679695 0.451885115246186 4.75022653348903 4.7489850027365 2464295.503377717 4.21879460177945 1239.8260257213 31.8572105519 -12.3659611442115 179217.141752775 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2067-Oct-26 07:05 00:10 Mars 0.0668151234481331 0.0667048161588382 0.0669254410291413 10.3091252149444 10.3087095739722 2476314.794915738 9.54310244809623 4855.77360262221 163.946084185442 -4.2631244167076 4456.98453693425 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2067-Nov-12 19:06 00:12 Earth 0.441471613780021 0.441356080420524 0.441587137945973 4.96030632914841 4.95908943066338 2476332.296010841 11.8386427120436 4380.14142534269 55.8215589963299 10.3231072538511 86317.7945621328 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2078-Jun-15 17:12 00:05 Jupiter 0.331819585943059 0.331803598955039 0.331835573961502 5.75737639679931 5.29547574699016 2480200.216411663 5.0780587345127 101.919006393811 24.384359954033 -54.1992153388368 158715.529299771 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2080-Nov-01 22:11 00:48 Earth 0.495975100523353 0.495878203107954 0.496072005094012 3.04065613499154 3.0388888304098 2481070.424290789 48.1772620614741 3435.08093396287 73.8118863343723 -4.77379072012194 22655.8196541926 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2089-May-11 05:09 00:03 Jupiter 1.79918984933231 1.79914848992645 1.79923120806006 11.0306344373874 10.9878722317757 2484182.714500428 2.72457054278793 561.871985889 278.015781309502 1.38040305348845 87349.1056228958 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2114-Nov-07 23:16 01:32 Earth 0.444680892016459 0.444552694724213 0.444809097904419 2.73528120797357 2.73308973601858 2493493.469594871 92.3331313098822 4121.02831139825 88.3876015207801 -5.45500482378235 17410.9193568984 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2125-Oct-13 16:43 00:15 Jupiter 0.40224972537434 0.402212931614529 0.40228652213644 5.53354071938736 5.13893439294786 2497486.196717819 15.1240006750742 172.741881727706 26.2157324407615 -42.288198660727 142502.529962354 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2161-Jul-25 18:34 00:07 Jupiter 0.541322086956256 0.5411026927836 0.541541459192759 7.4829309184206 7.27081815086964 2510555.273803861 6.97854662301454 1701.20633165328 58.4552718460215 17.9923209281892 52540.4997427335 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52
2172-Mar-01 12:14 00:18 Jupiter 0.638579504153179 0.638470759934329 0.638688296379127 7.01588410202615 6.82420664559346 2514427.009512486 17.6087848386378 1487.44126215909 147.081982128717 52.608066211063 60185.6017225788 T K084/16 CATAB v2.0c-linF95 2014-Apr-23 11:52:01 2014-Apr-23 11:52

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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