+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344583 (2003 BS66) Classification: Main-belt Asteroid          SPK-ID: 2344583 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1981976782989837 6.3571e-08   a 2.334862975296808 1.8261e-08 au q 1.872098554446723 1.4193e-07 au i 3.679770008308087 4.5621e-06 deg node 161.5078302912264 8.9805e-05 deg peri 30.87835889027957 9.0936e-05 deg M 273.584270719001 1.9516e-05 deg tp 2459313.310140416899 (2021-Apr-08.81014042) 7.364e-05 TDB period 1303.138346306181 3.57 1.5288e-05 4.186e-08 d yr n .2762561634537425 3.241e-09 deg/d Q 2.797627396146892 2.1881e-08 au   Orbit Determination Parameters    # obs. used (total)      199      data-arc span      8657 days (23.70 yr)      first obs. used      1996-03-17      last obs. used      2019-11-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63376      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:02:22   Additional Information  Earth MOID = .873165 au   Jupiter MOID = 2.15743 au   T_jup = 3.539  [ 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 17.2   n/a MPO455508   344583 (2003 BS66)          Discovered 2003-Jan-30 by LONEOS at Anderson Mesa Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-03 02:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin