+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102870 (1999 WZ10) Classification: Main-belt Asteroid          SPK-ID: 2102870 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2240083529090416 3.6307e-08   a 2.250586633453089 6.538e-09 au q 1.746436428614158 8.3621e-08 au i .4419932051993082 4.1703e-06 deg node 317.4434170520842 0.00047824 deg peri 139.0976440541665 0.00047837 deg M 56.66679124382323 1.0954e-05 deg tp 2459006.380953093442 (2020-Jun-05.88095309) 3.7012e-05 TDB period 1233.224175084703 3.38 5.3738e-06 1.471e-08 d yr n .2919177285632386 1.272e-09 deg/d Q 2.754736838292021 8.0026e-09 au   Orbit Determination Parameters    # obs. used (total)      736      data-arc span      7421 days (20.32 yr)      first obs. used      1999-10-10      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55973      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:41:46   Additional Information  Earth MOID = .763071 au   Jupiter MOID = 2.42395 au   T_jup = 3.594  [ 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 16.39   n/a E2021B55   102870 (1999 WZ10)          Discovered 1999-Nov-30 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-09 02:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin