+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312285 (2008 BX19) Classification: Main-belt Asteroid          SPK-ID: 2312285 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02151742871448258 4.6401e-08   a 2.613667297516699 2.4825e-08 au q 2.557427897759009 1.2353e-07 au i 7.329917705243064 5.8108e-06 deg node 295.7018847219119 4.408e-05 deg peri 333.1934720143341 0.00016279 deg M 180.6197820578948 0.00015805 deg tp 2459769.534687810139 (2022-Jul-09.03468781) 0.00067889 TDB period 1543.383605994969 4.23 2.1989e-05 6.02e-08 d yr n .2332537410671274 3.3233e-09 deg/d Q 2.669906697274389 2.536e-08 au   Orbit Determination Parameters    # obs. used (total)      202      data-arc span      7286 days (19.95 yr)      first obs. used      2000-02-12      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53423      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 18:45:14   Additional Information  Earth MOID = 1.54293 au   Jupiter MOID = 2.38457 au   T_jup = 3.396  [ 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 16.5   n/a MPO503318   312285 (2008 BX19)          Discovered 2008-Jan-30 by Spacewatch at Kitt Peak Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-10 00:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin