+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70237 (1999 RO68) Classification: Main-belt Asteroid          SPK-ID: 2070237 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .192842888755326 3.9071e-08   a 2.369639515977123 1.066e-08 au q 1.912671386407322 9.2057e-08 au i 2.807581106349875 4.7849e-06 deg node 21.51608262417738 9.5852e-05 deg peri 28.83301117516627 9.6783e-05 deg M 197.2416635635689 1.4776e-05 deg tp 2459602.868972468902 (2022-Jan-23.36897247) 5.7142e-05 TDB period 1332.360816882037 3.65 8.9902e-06 2.461e-08 d yr n .2701970783278245 1.8232e-09 deg/d Q 2.826607645546924 1.2715e-08 au   Orbit Determination Parameters    # obs. used (total)      466      data-arc span      9425 days (25.80 yr)      first obs. used      1994-04-06      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54582      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 16:06:52   Additional Information  Earth MOID = .923683 au   Jupiter MOID = 2.55199 au   T_jup = 3.519  [ 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 16.5   n/a MPO468641   70237 (1999 RO68)          Discovered 1999-Sep-07 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-26 22:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin