+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249719 (2000 RF25) Classification: Main-belt Asteroid          SPK-ID: 2249719 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1604391146166406 6.0402e-08   a 2.216229582112429 1.7664e-08 au q 1.860659670171103 1.4237e-07 au i 9.192075376161725 7.1315e-06 deg node 227.8823473402416 2.9336e-05 deg peri 55.81795308758416 3.6835e-05 deg M 40.09516662352139 2.7094e-05 deg tp 2458866.282214187406 (2020-Jan-17.78221419) 8.9746e-05 TDB period 1205.092956620574 3.30 1.4408e-05 3.945e-08 d yr n .2987321418005323 3.5716e-09 deg/d Q 2.571799494053754 2.0499e-08 au   Orbit Determination Parameters    # obs. used (total)      259      data-arc span      7807 days (21.37 yr)      first obs. used      1997-11-21      last obs. used      2019-04-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5497      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 10:26:29   Additional Information  Earth MOID = .8622 au   Jupiter MOID = 2.57114 au   T_jup = 3.620  [ 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 16.9   n/a MPO470664   249719 (2000 RF25)          Discovered 2000-Sep-01 by LINEAR at Socorro Reference: 20100923/Numbers.arc Last Updated: 2010-09-27 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-05 21:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin