+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268475 (2005 XN52) Classification: Main-belt Asteroid          SPK-ID: 2268475 [ 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 .149410125459798 4.7827e-08   a 2.638089141165792 2.335e-08 au q 2.24393191161008 1.3362e-07 au i 3.730059897170988 6.8376e-06 deg node 338.5281369560312 6.4209e-05 deg peri 47.29244549997032 6.7947e-05 deg M 185.7676066923573 2.3102e-05 deg tp 2459757.958821454854 (2022-Jun-27.45882146) 0.00010566 TDB period 1565.065890142864 4.28 2.0779e-05 5.689e-08 d yr n .2300222644090328 3.0539e-09 deg/d Q 3.032246370721503 2.6839e-08 au   Orbit Determination Parameters    # obs. used (total)      266      data-arc span      7159 days (19.60 yr)      first obs. used      2000-09-20      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60064      source      ORB      producer      Otto Matic      solution date      2020-May-21 15:35:43   Additional Information  Earth MOID = 1.24982 au   Jupiter MOID = 2.43482 au   T_jup = 3.378  [ 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 16.6   n/a MPO427488   268475 (2005 XN52)          Discovered 2005-Dec-02 by Spacewatch at Kitt Peak Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 18:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin