+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441871 (2010 AX38) Classification: Main-belt Asteroid          SPK-ID: 2441871 [ 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 .1634103156135092 9.1821e-08   a 2.383032279862719 4.6021e-08 au q 1.993620222893172 2.2978e-07 au i 6.118487932641052 1.1166e-05 deg node 319.9990842270876 8.4993e-05 deg peri 158.2549079183868 9.115e-05 deg M 305.4495514858567 4.4324e-05 deg tp 2459204.105328507744 (2020-Dec-20.60532851) 0.00016989 TDB period 1343.672146779576 3.68 3.8924e-05 1.066e-07 d yr n .2679224994451391 7.7612e-09 deg/d Q 2.772444336832267 5.3541e-08 au   Orbit Determination Parameters    # obs. used (total)      62      data-arc span      4057 days (11.11 yr)      first obs. used      2005-12-21      last obs. used      2017-01-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55755      source      ORB      producer      Otto Matic      solution date      2017-Apr-09 12:34:10   Additional Information  Earth MOID = 1.01105 au   Jupiter MOID = 2.3105 au   T_jup = 3.511  [ 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 17.8   n/a MPO495190   441871 (2010 AX38)          Discovered 2009-Nov-21 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-09-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-11 13:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin