+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   452118 (2014 RP31) Classification: Main-belt Asteroid          SPK-ID: 2452118 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09335688975710811 5.1449e-08   a 3.065859931675476 7.8771e-08 au q 2.779640784023313 1.4841e-07 au i 10.4713294156488 6.2173e-06 deg node 144.0203260654635 3.0503e-05 deg peri 254.5773891906971 5.1258e-05 deg M 317.9984385364064 3.7931e-05 deg tp 2459229.265129856808 (2021-Jan-14.76512986) 0.0002079 TDB period 1960.771073233444 5.37 7.5567e-05 2.069e-07 d yr n .1836012397950852 7.0759e-09 deg/d Q 3.352079079327638 8.6125e-08 au   Orbit Determination Parameters    # obs. used (total)      165      data-arc span      4462 days (12.22 yr)      first obs. used      2006-02-03      last obs. used      2018-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52943      source      ORB      producer      Otto Matic      solution date      2018-May-07 07:06:06   Additional Information  Earth MOID = 1.80923 au   Jupiter MOID = 2.05863 au   T_jup = 3.200  [ 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 16.2   n/a MPO450472   452118 (2014 RP31)          Discovered 2006-Feb-03 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-11-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-03 16:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin