+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   390492 (2014 AR34) Classification: Main-belt Asteroid          SPK-ID: 2390492 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1898381681371514 1.1677e-07   a 2.610049329354073 3.7946e-08 au q 2.114562345921895 3.1757e-07 au i 12.10740394694785 1.0637e-05 deg node 265.8845049336123 3.9087e-05 deg peri 121.968518407839 4.45e-05 deg M 230.4256547801053 1.9974e-05 deg tp 2459554.855067936425 (2021-Dec-06.35506794) 8.8351e-05 TDB period 1540.180072825648 4.22 3.3588e-05 9.196e-08 d yr n .233738902581395 5.0974e-09 deg/d Q 3.105536312786251 4.515e-08 au   Orbit Determination Parameters    # obs. used (total)      141      data-arc span      5785 days (15.84 yr)      first obs. used      2004-09-11      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5169      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:40:31   Additional Information  Earth MOID = 1.14864 au   Jupiter MOID = 2.40964 au   T_jup = 3.353  [ 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 16.8   n/a MPO434439   390492 (2014 AR34)          Discovered 2004-Sep-11 by LINEAR at Socorro Reference: Last Updated: 2014-03-21 Alternate Designations  2014 AR34 = 2004 RE209  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-25 09:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin