+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   390237 (2012 XV60) Classification: Main-belt Asteroid          SPK-ID: 2390237 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1227572468100371 1.2114e-07   a 2.437464168076501 3.0537e-08 au q 2.138247777605312 3.1538e-07 au i 5.548088379738656 9.7465e-06 deg node 166.0957355768714 6.2979e-05 deg peri 185.2615404527302 7.3376e-05 deg M 54.37291527015527 3.1852e-05 deg tp 2458790.564489717133 (2019-Nov-03.06448972) 0.00012352 TDB period 1389.971152481419 3.81 2.6121e-05 7.152e-08 d yr n .2589981809027597 4.8672e-09 deg/d Q 2.73668055854769 3.4286e-08 au   Orbit Determination Parameters    # obs. used (total)      97      data-arc span      7028 days (19.24 yr)      first obs. used      2000-07-31      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5574      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:42:39   Additional Information  Earth MOID = 1.13239 au   Jupiter MOID = 2.67685 au   T_jup = 3.487  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.5   n/a MPO440684   390237 (2012 XV60)          Discovered 2008-Oct-08 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-03-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 22:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin