+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   255P/Levy (2006 T1) Classification: Jupiter-family Comet [NEO]          SPK-ID: 1002422 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456364.5 (2013-Mar-13.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6682869992305696 3.1043e-06   a 3.037514809560926 3.4517e-05 AU q 1.00758315236104 2.2594e-06 AU i 18.26637618115479 4.4657e-05 deg node 279.7336470187495 5.2229e-05 deg peri 179.6577705612744 0.00032713 deg M 78.75615665484072 0.0013653 deg tp 2455941.482780468534 (2012-Jan-14.98278047) 0.00014348 JED period 1933.641831948989 5.29 0.032959 9.024e-05 d yr n .1861771885836493 3.1734e-06 deg/d Q 5.067446466760813 5.7584e-05 AU Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 7.640194258438214E-9 6.483E-10 A2 [EST] -4.181900150936842E-9 2.026E-10   Orbit Determination Parameters    # obs. used (total)      503      data-arc span      1941 days (5.31 yr)      first obs. used      2006-10-02      last obs. used      2012-01-25      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      4      fit RMS      .94332      data source      ORB      producer      Ryan S. Park      solution date      2013-Mar-03 19:30:54   Additional Information  Earth MOID = .023582 AU   T_jup = 2.792  [ 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 11.5 mag 1. 35 from 137 observations, assumed slope, autocmod 2.5b comet total magnitude slope K1 40.   n/a 35 autocmod 2.5b comet nuclear magnitude M2 15.2 mag 1. 35 from 109 observations, autocmod 2.5b comet nuclear magnitude slope K2 5.   n/a 35 autocmod 2.5b comet nuclear phase coefficient PC 0.03   n/a 35 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 1901-Jun-21 20:28 2_08:03 Jupiter 0.212426721870036 0.201963073758834 0.223250981573352 6.68130593855285 6.05517318013288 2415557.353140991 3363.17396255687 80516.8073729726 2874.68356192915 -41.7956544227031 799.463150200818 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 1960-Nov-11 08:48 1_23:12 Jupiter 0.123257821067201 0.10566210123932 0.14146802964951 7.14556878777973 6.10861996201537 2437249.867269835 2832.35513942421 101701.986278328 242.216360663367 -25.4770190534689 3619.16574338465 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 1972-Oct-09 21:12 10:35 Jupiter 0.154904048417849 0.151045826331171 0.158913722425987 7.14401883605138 6.33252810296778 2441600.383915097 635.557639754245 34923.8969198363 4.26352438299774 52.1930645232081 496302.003027016 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 1991-Jan-21 21:15 07:24 Earth 0.173544523633797 0.16408510546403 0.182988371579946 15.6276893955059 15.6267069231912 2448278.386110912 444.941964444746 419536.847029898 148.55126111949 13.142836124157 32313.5501087398 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2012-Jan-26 02:18 < 00:01 Earth 0.235889319021259 0.235886590108358 0.235892047934438 16.3868721377986 16.386182823723 2455952.596213631 0.0762799429320887 136.446863050199 26.2671072744504 3.33961674101762 223014.166217813 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2020-Mar-20 02:55 00:53 Jupiter 0.197699172671439 0.196867906016498 0.198530445431256 6.99437790603328 6.35236336019582 2458928.621776788 53.9308723534527 4441.85800997574 246.714551153571 -1.76225555967542 788.847503060206 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2047-Nov-01 13:11 1_02:08 Venus 0.148255073968899 0.128808926655065 0.184838400959899 13.8661889182276 13.8651325415135 2469016.049450826 1568.71433118575 2415547.12615317 491.570032969925 57.4403090402974 30495.7886231468 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2055-Dec-31 16:59 09:56 Jupiter 0.558055271711291 0.537741869233921 0.578203428161709 7.17923919813556 6.9646143527923 2471998.207772113 596.79936818912 144939.615864787 720.454287496466 -16.4039488449401 3825.92642285023 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2057-Oct-21 19:52 1_16:29 Earth 0.289739798656193 0.216979695814718 0.372735571868651 24.1124458597951 24.1120644723704 2472658.328423318 2429.13593002584 4581432.33993246 124.706676960843 -32.5143450409448 169539.746198699 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2079-May-15 12:55 11:39 Jupiter 0.380116155842615 0.366015958419377 0.394104701244969 7.41920347498443 7.11251918333994 2480534.038312329 699.466033306727 104401.731193093 446.665388402078 -18.0736458802606 4733.88850274378 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2115-Jan-18 19:12 11:35 Jupiter 0.240597010488643 0.239306938782471 0.242144758709934 6.88530897080932 6.35346152098339 2493565.300562136 695.390938114797 44621.2902485135 629.408938871478 -78.8972039613977 6348.1399858055 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 2163-Jan-14 09:22 06:33 Jupiter 0.766903914191044 0.680613465941016 0.850164085604797 7.7588316570953 7.61515122891845 2511092.890473192 393.380792307036 802867.544960203 397.520491068159 -21.7746883983626 13678.5206041208 T 35 CATAB v2.0c-linF95 2013-Mar-03 19:34:28 2013-Mar-03 19:35 Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2012.0   255P/2011 Y1         2006.7   255P/2006 T1        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-18 19:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin