+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259112 (2002 XS3) Classification: Main-belt Asteroid          SPK-ID: 2259112 [ 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 .05591590478540242 6.4008e-08   a 2.624564959293543 1.9865e-08 au q 2.477810034926581 1.7364e-07 au i 13.37511388566414 7.6113e-06 deg node 238.2989541963964 2.2806e-05 deg peri 256.3596852987143 7.4426e-05 deg M 334.5063856551945 7.0861e-05 deg tp 2459110.479901704161 (2020-Sep-17.97990170) 0.0003057 TDB period 1553.046346351637 4.25 1.7632e-05 4.827e-08 d yr n .2318024834517654 2.6318e-09 deg/d Q 2.771319883660504 2.0976e-08 au   Orbit Determination Parameters    # obs. used (total)      244      data-arc span      7235 days (19.81 yr)      first obs. used      2000-04-25      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62998      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:12:20   Additional Information  Earth MOID = 1.53195 au   Jupiter MOID = 2.35674 au   T_jup = 3.362  [ 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 MPO310712   259112 (2002 XS3)          Discovered 2002-Dec-02 by LINEAR at Socorro Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 23:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin