+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1037804708191594 4.1295e-08   a 2.286163248989684 7.9294e-09 au q 2.048904150640075 9.3096e-08 au i 6.239438638252072 4.1678e-06 deg node 299.5785071883228 4.001e-05 deg peri 98.40279708005284 4.609e-05 deg M 25.00066862452725 2.0825e-05 deg tp 2459112.818411673255 (2020-Sep-20.31841167) 7.3086e-05 TDB period 1262.581104197367 3.46 6.5687e-06 1.798e-08 d yr n .2851301978171572 1.4834e-09 deg/d Q 2.523422347339293 8.7523e-09 au   Orbit Determination Parameters    # obs. used (total)      996      data-arc span      7817 days (21.40 yr)      first obs. used      1999-09-08      last obs. used      2021-02-01      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50655      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 12:49:18   Additional Information  Earth MOID = 1.0664 au   Jupiter MOID = 2.82089 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 15.64   n/a E2021B10   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-Apr-19 10:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin