+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70335 (1999 RC169) Classification: Main-belt Asteroid          SPK-ID: 2070335 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1879749976040929 4.1044e-08   a 2.434911419672161 8.6821e-09 au q 1.977208951393108 9.9221e-08 au i 2.824738584818469 3.8398e-06 deg node 183.7596622923438 7.9008e-05 deg peri 146.3835774411454 7.9428e-05 deg M 176.7459653975696 8.3426e-06 deg tp 2458319.150118433587 (2018-Jul-19.65011843) 3.1086e-05 TDB period 1387.788155798444 3.80 7.4226e-06 2.032e-08 d yr n .2594055861450116 1.3874e-09 deg/d Q 2.892613887951214 1.0314e-08 au   Orbit Determination Parameters    # obs. used (total)      947      data-arc span      8086 days (22.14 yr)      first obs. used      1998-03-02      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51625      source      ORB      producer      Otto Matic      solution date      2020-May-20 13:37:31   Additional Information  Earth MOID = .967137 au   Jupiter MOID = 2.46588 au   T_jup = 3.479  [ 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 MPO453107   70335 (1999 RC169)          Discovered 1999-Sep-09 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-27 08:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin