+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243813 (2000 SP277) Classification: Main-belt Asteroid          SPK-ID: 2243813 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .161441125808482 4.6096e-08   a 2.424804428370435 1.3136e-08 au q 2.033341271588919 1.0885e-07 au i 5.599711975418959 4.1955e-06 deg node 272.009695265457 4.7166e-05 deg peri 70.56348405603924 4.9324e-05 deg M 105.1668091662123 1.4786e-05 deg tp 2458597.607021979368 (2019-Apr-24.10702198) 5.6097e-05 TDB period 1379.156344452697 3.78 1.1207e-05 3.068e-08 d yr n .2610291439748712 2.1212e-09 deg/d Q 2.81626758515195 1.5257e-08 au   Orbit Determination Parameters    # obs. used (total)      464      data-arc span      7076 days (19.37 yr)      first obs. used      2000-09-30      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52065      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:54:10   Additional Information  Earth MOID = 1.03331 au   Jupiter MOID = 2.5898 au   T_jup = 3.487  [ 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 16.3   n/a MPO418303   243813 (2000 SP277)          Discovered 2000-Sep-30 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-29 10:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin