+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120039 (2003 BA2) Classification: Main-belt Asteroid          SPK-ID: 2120039 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1264537347775031 3.8414e-08   a 2.38798388656565 1.4376e-08 au q 2.086014405520926 9.5892e-08 au i 7.283350519021016 4.402e-06 deg node 113.5386737794878 3.1791e-05 deg peri 267.8130536152778 3.648e-05 deg M 337.6563399260073 2.0176e-05 deg tp 2459084.156045197450 (2020-Aug-22.65604520) 7.5887e-05 TDB period 1347.862264792335 3.69 1.2171e-05 3.332e-08 d yr n .2670896050758312 2.4118e-09 deg/d Q 2.689953367610373 1.6193e-08 au   Orbit Determination Parameters    # obs. used (total)      658      data-arc span      6922 days (18.95 yr)      first obs. used      2001-08-19      last obs. used      2020-08-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59105      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 10:08:12   Additional Information  Earth MOID = 1.10382 au   Jupiter MOID = 2.78175 au   T_jup = 3.512  [ 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 MPO436579   120039 (2003 BA2)          Discovered 2003-Jan-25 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-01 02:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin