+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150687 (2001 OR65) Classification: Main-belt Asteroid          SPK-ID: 2150687 [ 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 .2056568623958472 3.5814e-08   a 2.313249291461129 8.8954e-09 au q 1.837513700239816 8.1382e-08 au i 1.45477556656063 4.4661e-06 deg node 31.90040824822742 0.00015429 deg peri 313.8374972188856 0.00015467 deg M 159.4700948318677 1.1709e-05 deg tp 2458631.242402823053 (2019-May-27.74240282) 4.0725e-05 TDB period 1285.085678288242 3.52 7.4125e-06 2.029e-08 d yr n .2801369636922004 1.6159e-09 deg/d Q 2.788984882682441 1.0725e-08 au   Orbit Determination Parameters    # obs. used (total)      551      data-arc span      7180 days (19.66 yr)      first obs. used      2001-07-16      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53982      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:19:37   Additional Information  Earth MOID = .828909 au   Jupiter MOID = 2.62473 au   T_jup = 3.554  [ 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 16.56   n/a E2021B55   150687 (2001 OR65)          Discovered 2001-Jul-28 by Broughton, J. at Reedy Creek Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 13:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin