+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   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 ] alternate orbits: [epoch=2013-03-13.0] K084/14 (default) [epoch=2002-09-03.0] SAO/2002 [epoch=1995-12-29.0] SAO/1996 [epoch=1989-06-03.0] SAO/1989 [epoch=1982-11-07.0] SAO/1982 [epoch=1976-04-12.0] SAO/1976 [epoch=1969-09-16.0] SAO/1969 Orbital Elements at Epoch 2456364.5 (2013-Mar-13.0) TDB Reference: JPL K084/14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6411889611380622 3.2757e-08   a 3.463889153077574 1.5827e-07 AU q 1.242881665518362 1.4587e-07 AU i 7.044033863175343 8.9794e-06 deg node 50.1720552341185 8.3079e-05 deg peri 12.73650673253869 8.4362e-05 deg M 225.0378349463 1.5494e-05 deg tp 2457247.282959700190 (2015-Aug-12.78295970) 0.0001605 JED period 2354.747831480167 6.45 0.00016139 4.419e-07 d yr n .1528826123915392 1.0478e-08 deg/d Q 5.684896640636786 2.5975e-07 AU Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 9.297767227922673E-10 3.13E-11 A2 [EST] 1.031296480630282E-10 8.082E-13 A3 [EST] 1.577975795036645E-10 3.904E-11   Orbit Determination Parameters    # obs. used (total)      2629      data-arc span      8727 days (23.89 yr)      first obs. used      1988-07-06      last obs. used      2012-05-28      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .79178      data source      ORB      producer      Ryan S. Park      solution date      2013-Mar-03 19:24:56   Additional Information  Earth MOID = .255674 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. K084/14 2 parameter fit from 496 observations, autocmod 2.5b comet total magnitude slope K1 11.   n/a K084/14 autocmod 2.5b 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-May-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.dis Last 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 17:00 03:25 Jupiter 0.925241304769544 0.921959568033807 0.92852502316316 5.13354556249629 4.95200642129184 2423695.208851688 205.515255929567 12608.2638419197 477.450595160664 4.86489395986892 2179.15758985865 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 1928-May-05 15:19 13:46 Jupiter 1.86850434079624 1.86593954248744 1.87107704535489 7.78443246089446 7.72597936460114 2425372.138501710 826.217504756096 29797.9263906512 566.698091854364 56.3741463535336 53207.0982462185 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 1959-Feb-04 06:15 00:02 Jupiter 0.0515330071976103 0.0515157463880248 0.0515502748157101 8.18425722760694 5.84029589501345 2436603.761068640 2.11356382328481 138.895981444403 23.0438378907249 -52.210204419485 33434.6464448825 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 1982-Nov-27 14:25 00:01 Earth 0.390999895699754 0.390984934761354 0.39101485717307 5.33813250270645 5.33685577494661 2445301.100862033 1.7421949359942 659.50132166429 31.361889397079 -35.3389168948566 466931.437044083 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2007-Jul-05 07:09 < 00:01 Jupiter 1.43924700528232 1.43924523400598 1.43924877655962 9.6377002198008 9.57644139804488 2454286.797974075 0.112726098871156 18.6410111065901 15.9719844030274 -11.30698994587 1857514.227846 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2018-Nov-11 21:01 00:01 Jupiter 0.375485369106751 0.37548332142628 0.375487416806281 5.61025152341248 5.19262054174848 2458434.376299358 1.96948052357402 16.9134739105072 5.3462068378461 63.9075923328918 884366.244838599 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2021-Nov-12 00:52 < 00:01 Earth 0.41825604400477 0.418239094376932 0.418272993539367 9.25539986681797 9.2547115457042 2459530.536450523 0.232582976911187 773.022788686697 22.7732170590196 -8.51054154664069 264515.117836725 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2030-Jan-29 12:53 < 00:01 Jupiter 1.05660051703003 1.05658721195099 1.05661382202793 9.04821303910428 8.95917750697584 2462531.037241551 0.965305499584645 134.482475276526 42.6694488579774 12.3233454592305 208764.689588186 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2034-Nov-29 00:04 00:04 Earth 0.451840265180552 0.451807448598291 0.451873081339749 4.75012180689877 4.74888021337186 2464295.503231074 4.24531572677163 1271.96820673145 33.9873222702904 -12.4840565906879 169627.127273913 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2067-Oct-26 07:13 00:09 Mars 0.0668378517129493 0.0667268221739289 0.0669488917016402 10.3087560621994 10.3083405482809 2476314.800950578 9.63988720934877 4887.51454303443 169.312891363534 -4.28493931656427 4354.9148921605 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2067-Nov-12 19:03 00:11 Earth 0.441508526678463 0.441391817627706 0.441625226196989 4.96007697934127 4.95886012633932 2476332.294061983 11.9574522369946 4412.9392327163 56.113409475184 10.3235508982912 85875.4166921679 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2078-Jun-15 17:45 00:07 Jupiter 0.331802896571329 0.331785186746132 0.331820607932475 5.75743016528893 5.29550994753672 2480200.239786988 7.58035700606294 120.327793798232 26.7264369955921 -57.4952948396898 149932.30387392 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2080-Nov-01 22:06 00:49 Earth 0.496021210644377 0.495922230468246 0.496120196828534 3.04012194213355 3.03835449120694 2481070.421418816 49.0561772147545 3469.32500338028 100.431564095701 -4.65202773538044 16680.6599088207 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2089-May-11 05:22 00:03 Jupiter 1.79915375560882 1.79910917430039 1.79919833615258 11.0304820814543 10.9877184223092 2484182.723896622 3.29475482435035 607.704443228617 327.400035503378 11.0685750157576 84233.8988617269 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2114-Nov-07 23:14 01:32 Earth 0.444714742269162 0.444586648043809 0.444842844446623 2.73500141874576 2.73280988933011 2493493.468525367 92.0853238962523 4105.67415713772 95.8846337675792 -5.45028072999177 16108.0519309878 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2125-Oct-13 17:44 00:18 Jupiter 0.402212015475724 0.402171722244792 0.402252312453372 5.53361482337965 5.13897576039476 2497486.239028646 18.0971071360671 193.201277153067 27.3500424567693 -43.3489044568475 139013.126060337 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2161-Jul-25 19:16 00:09 Jupiter 0.541054592926675 0.540802458311473 0.541306695719461 7.48226164226562 7.27002293503057 2510555.303353442 9.29791307144259 1949.78067619257 86.1201488207342 16.9308041945966 33726.1189795177 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 2172-Mar-01 13:55 00:22 Jupiter 0.638478817555113 0.638361652984662 0.638596050924683 7.01508038680013 6.82334969294653 2514427.080086662 22.8003352049392 1715.73471671341 175.943986811203 54.5019644472632 51542.6703880547 T K084/14 CATAB v2.0c-linF95 2013-Mar-03 19:33:28 2013-Mar-03 19:34 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 ] 2013-May-21 13:43 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin