+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437889 (2001 SS205) Classification: Main-belt Asteroid          SPK-ID: 2437889 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1602001506174626 2.3955e-07   a 2.959243176773652 4.8654e-08 au q 2.485171974140814 7.2464e-07 au i 1.413676231955349 8.5281e-06 deg node 31.15575609356458 0.00032186 deg peri 331.8938100268108 0.00032321 deg M 237.1189491926345 3.0208e-05 deg tp 2459635.175633264957 (2022-Feb-24.67563327) 0.00016689 TDB period 1859.385368811391 5.09 4.5857e-05 1.255e-07 d yr n .1936123656980959 4.7749e-09 deg/d Q 3.43331437940649 5.6449e-08 au   Orbit Determination Parameters    # obs. used (total)      81      data-arc span      6796 days (18.61 yr)      first obs. used      2001-09-19      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64692      source      ORB      producer      Otto Matic      solution date      2020-May-22 03:44:39   Additional Information  Earth MOID = 1.48288 au   Jupiter MOID = 2.02264 au   T_jup = 3.247  [ 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 16.8   n/a MPO434613   437889 (2001 SS205)          Discovered 2001-Sep-19 by LINEAR at Socorro Reference: Last Updated: 2015-07-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-04 16:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin