+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70298 (1999 RJ129) Classification: Main-belt Asteroid          SPK-ID: 2070298 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2266527696430771 3.488e-08   a 2.428489487080706 8.1168e-09 au q 1.878065618784768 8.6007e-08 au i 2.894231547432842 4.7963e-06 deg node 154.7521380383028 6.3269e-05 deg peri 215.716272233938 6.4009e-05 deg M 201.0202000920398 9.7093e-06 deg tp 2459810.938917837301 (2022-Aug-19.43891784) 3.8513e-05 TDB period 1382.301465649442 3.78 6.9302e-06 1.897e-08 d yr n .2604352299017946 1.3057e-09 deg/d Q 2.978913355376644 9.9565e-09 au   Orbit Determination Parameters    # obs. used (total)      622      data-arc span      9511 days (26.04 yr)      first obs. used      1994-04-03      last obs. used      2020-04-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49309      source      ORB      producer      Otto Matic      solution date      2020-May-20 13:37:04   Additional Information  Earth MOID = .877092 au   Jupiter MOID = 2.48495 au   T_jup = 3.472  [ 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 16.39   n/a E2021B10   70298 (1999 RJ129)          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 ] 2021-Mar-07 07:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin