+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357265 (2002 QM145) Classification: Main-belt Asteroid          SPK-ID: 2357265 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07989130957062493 8.2013e-08   a 2.554555025373675 2.6817e-08 au q 2.350468279026351 2.0697e-07 au i 9.938520735813897 8.8788e-06 deg node 23.68399282646596 5.2314e-05 deg peri 262.4635646684851 7.5842e-05 deg M 170.8337477834269 5.6834e-05 deg tp 2458292.810930991482 (2018-Jun-23.31093099) 0.00023417 TDB period 1491.321639598088 4.08 2.3483e-05 6.429e-08 d yr n .241396617899959 3.8012e-09 deg/d Q 2.758641771720999 2.8959e-08 au   Orbit Determination Parameters    # obs. used (total)      93      data-arc span      6301 days (17.25 yr)      first obs. used      2002-08-19      last obs. used      2019-11-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .68598      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 20:28:19   Additional Information  Earth MOID = 1.35997 au   Jupiter MOID = 2.36712 au   T_jup = 3.413  [ 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 17.1   n/a MPO503411   357265 (2002 QM145)          Discovered 2005-Apr-10 by Mt. Lemmon Survey at Mount Lemmon Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-09 06:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin