+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212913 (2007 XF38) Classification: Main-belt Asteroid          SPK-ID: 2212913 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1687485678022543 6.475e-08   a 2.570691409657623 1.984e-08 au q 2.136890916016342 1.7403e-07 au i 6.510455033832883 6.7746e-06 deg node 48.37331593169251 3.0478e-05 deg peri 306.6582843570844 3.6523e-05 deg M 75.72207199215161 1.7557e-05 deg tp 2458683.839907239903 (2019-Jul-19.33990724) 7.483e-05 TDB period 1505.474300880866 4.12 1.7429e-05 4.772e-08 d yr n .2391272968189234 2.7683e-09 deg/d Q 3.004491903298905 2.3188e-08 au   Orbit Determination Parameters    # obs. used (total)      549      data-arc span      6436 days (17.62 yr)      first obs. used      2002-06-13      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49643      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 02:51:55   Additional Information  Earth MOID = 1.14042 au   Jupiter MOID = 2.45662 au   T_jup = 3.401  [ hide covariance matrix ] Orbital Elements at Epoch 2457546.5 (2016-Jun-07.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1705571328116953 6.5012e-08   q 2.131010771345639 1.7481e-07 au tp 2457176.500377532880 (2015-Jun-03.00037753) 8.2169e-05 TDB node 48.39801496828424 3.0494e-05 deg peri 306.1827298637058 3.6399e-05 deg i 6.512175654358899 6.7747e-06 deg   Orbit Determination Parameters    # obs. used (total)      549      data-arc span      6436 days (17.62 yr)      first obs. used      2002-06-13      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49643      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 02:51:55   Additional Information  Jupiter MOID = 2.45662 au   T_jup = 3.401  Orbit Covariance (6×6)   e q tp node peri i e 4.226550580983843E-15 -1.132384495734971E-14 3.583064955478146E-12 -2.080153659221308E-14 7.329085229166362E-13 -4.755249545567369E-15 q -1.132384495734971E-14 3.055981647100419E-14 -9.987615539130363E-12 5.550128261688303E-14 -2.050420705095883E-12 1.353926803613752E-14 tp 3.583064955478146E-12 -9.987615539130363E-12 6.751799895167405E-9 -2.163939851163501E-11 1.622499636502947E-9 -9.001865516411716E-12 node -2.080153659221308E-14 5.550128261688303E-14 -2.163939851163501E-11 9.298653260255803E-10 -9.278862443164706E-10 -4.105286574418722E-11 peri 7.329085229166362E-13 -2.050420705095883E-12 1.622499636502947E-9 -9.278862443164706E-10 1.324883736735602E-9 3.865488135983126E-11 i -4.755249545567369E-15 1.353926803613752E-14 -9.001865516411716E-12 -4.105286574418722E-11 3.865488135983126E-11 4.58968695123676E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.1   n/a MPO450008   212913 (2007 XF38)          Discovered 2007-Dec-13 by LINEAR at Socorro Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 Alternate Designations  2007 XF38 = 2003 YV162  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-27 04:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin