+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   410869 (2009 SS13) Classification: Main-belt Asteroid          SPK-ID: 2410869 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1457634535311419 1.5481e-07   a 2.863712573774553 3.9197e-08 au q 2.446287939100619 4.2366e-07 au i 14.9343009766805 7.4674e-06 deg node 350.1636410314649 2.5643e-05 deg peri 17.65045694906826 3.6465e-05 deg M 66.72154999613893 1.8691e-05 deg tp 2458672.437800396709 (2019-Jul-07.93780040) 9.3451e-05 TDB period 1770.078660702866 4.85 3.6341e-05 9.95e-08 d yr n .2033807920474284 4.1756e-09 deg/d Q 3.281137208448487 4.491e-08 au   Orbit Determination Parameters    # obs. used (total)      192      data-arc span      4696 days (12.86 yr)      first obs. used      2007-02-21      last obs. used      2019-12-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55916      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:48:42   Additional Information  Earth MOID = 1.44775 au   Jupiter MOID = 2.18753 au   T_jup = 3.235  [ 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 MPO503517   410869 (2009 SS13)          Discovered 2009-Sep-16 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2014-10-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 20:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin