+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359139 (2009 BS88) Classification: Main-belt Asteroid          SPK-ID: 2359139 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1300868313363593 6.9858e-08   a 2.443163716940869 2.2335e-08 au q 2.12534029056807 1.6124e-07 au i 1.46306094215888 4.6837e-06 deg node 265.3547960959093 0.00029312 deg peri 311.471183753575 0.00029527 deg M 330.4483176202954 2.9931e-05 deg tp 2459315.000396773412 (2021-Apr-10.50039677) 0.00011506 TDB period 1394.849278250819 3.82 1.9127e-05 5.237e-08 d yr n .2580924015327666 3.5392e-09 deg/d Q 2.760987143313669 2.5241e-08 au   Orbit Determination Parameters    # obs. used (total)      120      data-arc span      6881 days (18.84 yr)      first obs. used      2002-06-18      last obs. used      2021-04-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60737      source      ORB      producer      Otto Matic      solution date      2021-May-04 12:16:41   Additional Information  Earth MOID = 1.11735 au   Jupiter MOID = 2.21098 au   T_jup = 3.488  [ 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 17.9   n/a MPO455591   359139 (2009 BS88)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-18 22:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin