+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   209P/LINEAR Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000487 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2453850.5 (2006-Apr-25.0) TDB Reference: JPL 73 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6894040489771274 4.4548e-08   a 2.937692016606237 1.1422e-08 AU q .9124352457101148 1.3061e-07 AU i 19.15256035908926 9.3232e-06 deg node 66.4595114423152 3.9104e-05 deg peri 149.7100869624896 4.1844e-05 deg M 147.339599708406 3.117e-06 deg tp 2453097.794990729845 (2004-Apr-02.29499073) 1.4548e-05 JED period 1839.110489464675 5.04 1.0726e-05 2.937e-08 d yr n .1957468037196548 1.1416e-09 deg/d Q 4.96294878750236 1.9296e-08 AU   Orbit Determination Parameters    # obs. used (total)      620      data-arc span      2082 days (5.70 yr)      first obs. used      2003-12-03      last obs. used      2009-08-15      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .39116      data source      ORB      producer      Otto Matic      solution date      2012-Nov-09 11:45:23   Additional Information  Earth MOID = .0394555 AU   T_jup = 2.800  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 16.7 mag 2. 73 from 100 observations, assumed slope, autocmod 2.5b comet total magnitude slope K1 14.   n/a 73 autocmod 2.5b comet nuclear magnitude M2 19.8 mag 0.9 73 from 446 observations, autocmod 2.5b comet nuclear magnitude slope K2 5.   n/a 73 autocmod 2.5b comet nuclear phase coefficient PC 0.03   n/a 73 autocmod 2.5b [ 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 1917-May-08 17:38 < 00:01 Jupiter 0.544888974138001 0.544886139572829 0.544891808700913 7.84813783465149 7.6475025032845 2421357.234766099 0.342841829575193 20.1856838967189 5.65351312859847 11.1660688125715 626794.315376609 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 1940-Jul-10 22:57 < 00:01 Jupiter 1.78179861176668 1.78179615949443 1.78180106403855 11.2013057517708 11.1587857995761 2429821.456527947 0.267623206358231 47.5838274782035 14.03758461368 42.0742867950309 2473938.93748485 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 1952-Nov-06 00:58 < 00:01 Jupiter 1.24664562218951 1.24664100054242 1.24665024382652 11.112495268628 11.0511840303483 2434322.540784122 0.233993127652225 57.7667892157728 18.7583116069254 -0.504734425000714 592230.379292088 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 1954-Feb-21 17:36 < 00:01 Earth 0.405721322360917 0.405715128858488 0.405727515998595 21.9427007873666 21.9424014937856 2434795.233707172 0.234129091898257 451.215352541719 20.5596336238623 -45.2477697805207 1870874.29843963 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 1976-Mar-12 17:29 < 00:01 Jupiter 0.920002179295946 0.919998765585368 0.920005593002493 7.24554127420212 7.1173393468466 2442850.228865467 0.532653452015869 21.6022651543182 10.2808328545858 17.1925490026577 873774.163043145 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 1999-Feb-22 15:25 < 00:01 Earth 0.490436629627501 0.49043581914859 0.490437440106414 23.6994530633696 23.6992238218748 2451232.142948627 0.022943165216326 40.9016070798572 21.797565993901 -14.4876552248479 1746481.07870368 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2004-Mar-07 18:32 < 00:01 Earth 0.386367200528055 0.386366603592039 0.386367797464104 19.2416184067009 19.2412600012964 2453072.272440322 0.0271365215943093 28.1393882201244 12.0059517516644 11.5522859335652 1930732.8652944 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2009-Apr-10 13:23 < 00:01 Earth 0.261273090061652 0.26127246109455 0.261273719028386 15.4689632617863 15.4683039881349 2454932.058176961 0.0482866957403939 26.9374150592797 15.4737818029949 -3.66759812714227 1181994.17791382 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2012-Feb-17 21:37 < 00:01 Jupiter 0.592442971311776 0.59243928375576 0.592446658870428 7.1142062261755 6.91031889311289 2455975.401169690 0.573375478557997 20.1613412077228 5.30435863350751 -5.64293333904522 549724.779155245 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2014-May-29 07:50 < 00:01 Earth 0.0554588357998693 0.0554562437499272 0.0554614278470153 16.9708220687766 16.9679908400682 2456806.827068467 0.0644576125704483 109.360361411509 17.0072991904752 -0.105013229552635 63368.0996023665 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2047-Sep-03 11:06 < 00:01 Jupiter 0.645468860666402 0.645465295085488 0.645472426249393 7.03796923859129 6.8489774666146 2468956.962633067 0.767737416439109 19.0682439928368 5.39940419060372 -9.5975475517279 676463.33936142 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2060-Jun-10 06:48 < 00:01 Earth 0.349764721812124 0.349744672043849 0.349784771511442 22.0393765230736 22.039030869977 2473620.783365590 0.423928153588135 944.785607106796 7.76471085158625 -0.305167252675571 58449.5287977239 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2082-Nov-08 08:57 < 00:01 Jupiter 1.36394576879756 1.36393941369129 1.3639521239327 8.56704977702616 8.49425240809463 2481806.873502513 0.406665811615415 102.458251545213 4.91352858867335 37.4693073602419 3596197.35069959 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2095-Mar-07 14:54 < 00:01 Jupiter 1.16140346998842 1.16139107037796 1.16141586951803 10.6787474041301 10.6102321936586 2486309.121048764 0.307103731475673 152.722940570106 14.475756154284 1.67619241381148 208962.445136909 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2117-Apr-24 17:58 < 00:01 Earth 0.27881384283652 0.278797649206153 0.278830036408234 16.0164666940693 16.0158700169333 2494392.248686186 0.639138024591242 696.107176037645 22.0134789289464 -5.35604416716059 152946.599072094 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2130-Nov-06 04:12 < 00:01 Jupiter 0.368021381680715 0.368019534420075 0.368023229017659 7.94128620721313 7.64597349769577 2499335.675005900 0.236062539560247 47.8992862370479 9.49700400516264 -83.8376683450175 756213.149493989 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2158-May-24 06:57 00:06 Earth 0.157097301882075 0.156892713537307 0.157301952573206 18.1727863144481 18.1718529886715 2509396.789647816 6.46614511504884 10069.7319776923 15.7157673693524 -27.2962354642961 584237.463944423 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2166-May-17 23:05 00:03 Jupiter 0.465950039155129 0.465898168476057 0.466001915453879 7.4696181941545 7.22215454848343 2512312.462060236 3.40553811557579 395.411764412153 3.46105379431013 -44.5083358822426 1740252.56672784 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 2184-May-09 13:43 00:09 Earth 0.203089710400111 0.202829164755586 0.203351066654142 16.3841901913343 16.3833894171455 2518879.071824194 9.3766638527314 19829.5202117352 43.0200493537858 57.3330866029106 491458.583684756 T 73 CATAB v2.0c-linF95 2012-Nov-09 11:58:01 2012-Nov-09 11:58 Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2009.3   209P/2008 X2         2004.3   209P/2004 CB        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-22 23:40 UT (server date/time)   Site Manager:   Donald K. 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