+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150815 (2001 RH114) Classification: Main-belt Asteroid          SPK-ID: 2150815 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .20929702827847 4.548e-08   a 2.408497221350495 9.9523e-09 au q 1.904405910304884 1.0674e-07 au i 4.965038154920063 4.4274e-06 deg node 114.1224168078311 6.8938e-05 deg peri 244.3459684329927 7.0335e-05 deg M 50.01713449205806 1.4147e-05 deg tp 2459010.814576876038 (2020-Jun-10.31457688) 5.3185e-05 TDB period 1365.267183298339 3.74 8.4623e-06 2.317e-08 d yr n .2636846504508215 1.6344e-09 deg/d Q 2.912588532396107 1.2035e-08 au   Orbit Determination Parameters    # obs. used (total)      312      data-arc span      8032 days (21.99 yr)      first obs. used      1999-01-15      last obs. used      2021-01-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61946      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:20:09   Additional Information  Earth MOID = .905056 au   Jupiter MOID = 2.54445 au   T_jup = 3.486  [ 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 17.08   n/a E2021B55   150815 (2001 RH114)          Discovered 2001-Sep-12 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 23:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin