+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   410969 (2009 TG12) Classification: Main-belt Asteroid          SPK-ID: 2410969 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1012079478480907 1.7304e-07   a 3.024235762171323 6.2034e-08 au q 2.718159066873158 5.5645e-07 au i 9.69488883712255 1.6166e-05 deg node 213.5651674552924 4.6812e-05 deg peri 194.4365878401976 7.8098e-05 deg M 355.5620814504987 6.8193e-05 deg tp 2459024.180928164824 (2020-Jun-23.68092816) 0.0003643 TDB period 1920.975800760206 5.26 5.9105e-05 1.618e-07 d yr n .1874047553631513 5.7662e-09 deg/d Q 3.33031245746949 6.8312e-08 au   Orbit Determination Parameters    # obs. used (total)      174      data-arc span      4668 days (12.78 yr)      first obs. used      2007-04-14      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65767      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 06:48:19   Additional Information  Earth MOID = 1.72874 au   Jupiter MOID = 2.06573 au   T_jup = 3.216  [ 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 15.9   n/a MPO495084   410969 (2009 TG12)          Discovered 2009-Oct-14 by CSS at Catalina Reference: Last Updated: 2014-10-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 18:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin