+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   469428 (2002 AV142) Classification: Main-belt Asteroid          SPK-ID: 2469428 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2272484647956848 2.1206e-06   a 2.532718014721575 1.0251e-07 au q 1.957161734115722 5.4485e-06 au i 13.09576464341866 5.7086e-05 deg node 286.1217483074753 4.8693e-05 deg peri 157.3004254630331 0.00031437 deg M 221.4404024071647 0.00018185 deg tp 2459567.147267227575 (2021-Dec-18.64726723) 0.00071133 TDB period 1472.240247127241 4.03 8.9386e-05 2.447e-07 d yr n .244525308082334 1.4846e-08 deg/d Q 3.108274295327427 1.2581e-07 au   Orbit Determination Parameters    # obs. used (total)      83      data-arc span      8716 days (23.86 yr)      first obs. used      1994-02-16      last obs. used      2017-12-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .5503      source      ORB      producer      Otto Matic      solution date      2018-Feb-06 09:56:54   Additional Information  Earth MOID = .979688 au   Jupiter MOID = 2.13467 au   T_jup = 3.378  [ 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 MPO437768   469428 (2002 AV142)          Discovered 2002-Jan-13 by LINEAR at Socorro Reference: Last Updated: 2016-08-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-27 11:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin