+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1265145143597272 3.4276e-08   a 2.388163402568402 1.0082e-08 au q 2.086026069480787 8.1677e-08 au i 7.283333993625767 3.4054e-06 deg node 113.5389801028307 2.9898e-05 deg peri 267.8592174369879 3.3253e-05 deg M 31.03496553603736 1.3398e-05 deg tp 2459084.290066783305 (2020-Aug-22.79006678) 5.0271e-05 TDB period 1348.014255386605 3.69 8.5366e-06 2.337e-08 d yr n .2670594903291683 1.6912e-09 deg/d Q 2.690300735656016 1.1358e-08 au   Orbit Determination Parameters    # obs. used (total)      955      data-arc span      7088 days (19.41 yr)      first obs. used      2001-08-19      last obs. used      2021-01-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52609      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:24:00   Additional Information  Earth MOID = 1.10251 au   Jupiter MOID = 2.78213 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 15.98   n/a E2021B55   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 ] 2021-Mar-07 06:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin