+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344359 (2001 XH32) Classification: Main-belt Asteroid          SPK-ID: 2344359 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1315755158863233 6.0631e-08   a 3.061962874134677 3.2721e-08 au q 2.659083529345638 1.7902e-07 au i 8.092122022142608 6.3495e-06 deg node 244.6527076736122 4.2439e-05 deg peri 143.4541963137235 4.9325e-05 deg M 187.5263693499392 2.4735e-05 deg tp 2459938.101973119005 (2022-Dec-24.60197312) 0.00014233 TDB period 1957.033716114463 5.36 3.137e-05 8.589e-08 d yr n .1839518640050575 2.9486e-09 deg/d Q 3.464842218923716 3.7026e-08 au   Orbit Determination Parameters    # obs. used (total)      227      data-arc span      6737 days (18.44 yr)      first obs. used      2001-11-16      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57713      source      ORB      producer      Otto Matic      solution date      2020-May-21 22:25:18   Additional Information  Earth MOID = 1.66991 au   Jupiter MOID = 1.98725 au   T_jup = 3.205  [ 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 16.0   n/a MPO434165   344359 (2001 XH32)          Discovered 2001-Dec-07 by Spacewatch at Kitt Peak Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-06 17:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin