+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58685 (1998 BP) Classification: Main-belt Asteroid          SPK-ID: 2058685 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09825688521209092 3.5645e-08   a 2.314810255656363 9.5166e-09 au q 2.087364210078565 8.2412e-08 au i 4.89412254228899 4.5332e-06 deg node 27.79525273595117 4.7813e-05 deg peri 96.10632350862129 5.6202e-05 deg M 130.6745556589348 2.6412e-05 deg tp 2458533.561101116382 (2019-Feb-19.06110112) 9.4656e-05 TDB period 1286.386647733047 3.52 7.9329e-06 2.172e-08 d yr n .2798536510266296 1.7258e-09 deg/d Q 2.542256301234161 1.0452e-08 au   Orbit Determination Parameters    # obs. used (total)      826      data-arc span      10397 days (28.47 yr)      first obs. used      1990-11-13      last obs. used      2019-05-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53558      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 03:35:50   Additional Information  Earth MOID = 1.10953 au   Jupiter MOID = 2.50397 au   T_jup = 3.571  [ 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 15.9   n/a MPO422078   58685 (1998 BP)          Discovered 1998-Jan-18 by Kobayashi, T. at Oizumi Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 11:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin