+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   173064 (2006 SD122) Classification: Main-belt Asteroid          SPK-ID: 2173064 [ 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 .1277765790692345 7.826e-08   a 3.044344181602133 4.5484e-08 au q 2.655348296567685 2.4888e-07 au i 15.81162695964093 7.6282e-06 deg node 285.3088414822967 3.0125e-05 deg peri 80.0198691986233 4.4893e-05 deg M 216.1079079074414 3.8049e-05 deg tp 2459775.985137582783 (2022-Jul-15.48513758) 0.00021772 TDB period 1940.166728205069 5.31 4.3481e-05 1.19e-07 d yr n .1855510636104205 4.1584e-09 deg/d Q 3.433340066636582 5.1296e-08 au   Orbit Determination Parameters    # obs. used (total)      244      data-arc span      6669 days (18.26 yr)      first obs. used      2001-10-25      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5733      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 16:58:32   Additional Information  Earth MOID = 1.70844 au   Jupiter MOID = 2.12489 au   T_jup = 3.169  [ 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 15.0   n/a MPO245261   173064 (2006 SD122)          Discovered 2006-Sep-19 by CSS at Catalina Reference: 20071224/Numbers.arc Last Updated: 2007-12-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-14 01:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin