+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150785 (2001 RJ19) Classification: Main-belt Asteroid          SPK-ID: 2150785 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1430599215030523 2.7669e-08   a 2.38889596158385 1.1143e-08 au q 2.047140692840706 6.6963e-08 au i 5.408513444494498 3.5349e-06 deg node 163.61384767899 5.2406e-05 deg peri 157.8247686239567 5.595e-05 deg M 92.30117089802967 1.9566e-05 deg tp 2458854.720699923011 (2020-Jan-06.22069992) 7.3069e-05 TDB period 1348.634549449396 3.69 9.4364e-06 2.584e-08 d yr n .2669366583756707 1.8677e-09 deg/d Q 2.730651230326994 1.2738e-08 au   Orbit Determination Parameters    # obs. used (total)      426      data-arc span      7666 days (20.99 yr)      first obs. used      2000-02-12      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5569      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:20:01   Additional Information  Earth MOID = 1.03394 au   Jupiter MOID = 2.57352 au   T_jup = 3.513  [ 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 16.7   n/a MPO436761   150785 (2001 RJ19)          Discovered 2001-Sep-07 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 18:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin