+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312130 (2007 TH263) Classification: Main-belt Asteroid          SPK-ID: 2312130 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0987895688953776 4.9532e-08   a 2.37240444393742 1.9225e-08 au q 2.138035631675364 1.1218e-07 au i 2.862237157991101 6.1397e-06 deg node 44.01764596877261 0.00011108 deg peri 84.25686295674923 0.00011566 deg M 85.00961719653219 3.2602e-05 deg tp 2458685.328397474856 (2019-Jul-20.82839747) 0.0001201 TDB period 1334.693422354103 3.65 1.6223e-05 4.442e-08 d yr n .2697248626317794 3.2785e-09 deg/d Q 2.606773256199475 2.1124e-08 au   Orbit Determination Parameters    # obs. used (total)      210      data-arc span      4610 days (12.62 yr)      first obs. used      2007-09-13      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59912      source      ORB      producer      Otto Matic      solution date      2020-May-21 20:26:16   Additional Information  Earth MOID = 1.15529 au   Jupiter MOID = 2.42667 au   T_jup = 3.535  [ 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 17.3   n/a MPO418614   312130 (2007 TH263)          Discovered 2007-Oct-10 by Spacewatch at Kitt Peak Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-04 12:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin