+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70371 (1999 RB206) Classification: Main-belt Asteroid          SPK-ID: 2070371 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1036722249647302 4.1961e-08   a 2.285903668327545 8.7139e-09 au q 2.048918948976989 9.5164e-08 au i 6.239430541945465 4.6583e-06 deg node 299.5780956760706 4.3982e-05 deg peri 98.36490281341156 5.0275e-05 deg M 327.9997668474425 2.3319e-05 deg tp 2459112.711135085357 (2020-Sep-20.21113509) 8.1825e-05 TDB period 1262.366072089069 3.46 7.2183e-06 1.976e-08 d yr n .2851787670467426 1.6307e-09 deg/d Q 2.5228883876781 9.6173e-09 au   Orbit Determination Parameters    # obs. used (total)      851      data-arc span      7740 days (21.19 yr)      first obs. used      1999-09-08      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53511      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:54:33   Additional Information  Earth MOID = 1.06746 au   Jupiter MOID = 2.82136 au   T_jup = 3.587  [ 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 15.6   n/a MPO337793   70371 (1999 RB206)          Discovered 1999-Sep-08 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-27 21:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin