+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160926 (2001 XV172) Classification: Main-belt Asteroid          SPK-ID: 2160926 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09529697685186433 3.9462e-08   a 2.394113601700002 1.1502e-08 au q 2.165961813218063 9.6009e-08 au i 6.465633091950511 3.654e-06 deg node 115.9109087519033 4.0476e-05 deg peri 77.58094294995705 4.5779e-05 deg M 320.7874140243433 2.2249e-05 deg tp 2459347.879996219458 (2021-May-13.37999622) 8.4051e-05 TDB period 1353.055334630128 3.70 9.7505e-06 2.67e-08 d yr n .2660645065919716 1.9173e-09 deg/d Q 2.622265390181941 1.2598e-08 au   Orbit Determination Parameters    # obs. used (total)      645      data-arc span      10970 days (30.03 yr)      first obs. used      1991-01-12      last obs. used      2021-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50863      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:02:45   Additional Information  Earth MOID = 1.17594 au   Jupiter MOID = 2.35236 au   T_jup = 3.515  [ 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 15.9   n/a MPO454067   160926 (2001 XV172)          Discovered 2001-Dec-14 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 12:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin