+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413076 (2001 SF312) Classification: Main-belt Asteroid          SPK-ID: 2413076 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1571026752987746 6.3632e-08   a 2.644087464371114 2.1587e-08 au q 2.228694249994459 1.6607e-07 au i 5.677361367267194 7.3391e-06 deg node 185.4207912321658 5.1454e-05 deg peri 217.278417507304 6.2231e-05 deg M 96.38633502422745 2.9842e-05 deg tp 2458580.039580839981 (2019-Apr-06.53958084) 0.0001278 TDB period 1570.406747590932 4.30 1.9232e-05 5.265e-08 d yr n .2292399727346146 2.8073e-09 deg/d Q 3.05948067874777 2.4978e-08 au   Orbit Determination Parameters    # obs. used (total)      121      data-arc span      6722 days (18.40 yr)      first obs. used      2001-09-20      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57631      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:30:34   Additional Information  Earth MOID = 1.24003 au   Jupiter MOID = 2.35362 au   T_jup = 3.369  [ 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 17.66   n/a E2021B25   413076 (2001 SF312)          Discovered 2001-Sep-20 by LINEAR at Socorro Reference: Last Updated: 2014-11-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 05:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin