+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187210 (2005 SO105) Classification: Main-belt Asteroid          SPK-ID: 2187210 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .22371624986636 9.0627e-08   a 2.586465116273522 2.4732e-08 au q 2.007830840050651 2.4375e-07 au i 4.460418384750063 8.4953e-06 deg node 140.8422504790745 7.2902e-05 deg peri 190.3053815952206 7.3685e-05 deg M 270.8827743019543 1.4631e-05 deg tp 2459576.612287815220 (2021-Dec-28.11228782) 6.5521e-05 TDB period 1519.351871121463 4.16 2.1792e-05 5.966e-08 d yr n .2369431379541311 3.3985e-09 deg/d Q 3.165099392496393 3.0265e-08 au   Orbit Determination Parameters    # obs. used (total)      288      data-arc span      7263 days (19.89 yr)      first obs. used      2000-05-03      last obs. used      2020-03-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54101      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 07:53:31   Additional Information  Earth MOID = .995351 au   Jupiter MOID = 2.2036 au   T_jup = 3.382  [ 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 16.24   n/a E2021B55   187210 (2005 SO105)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 14:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin