+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146832 (2002 AZ23) Classification: Main-belt Asteroid          SPK-ID: 2146832 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1397908470347794 3.8854e-08   a 2.838329243774218 1.9448e-08 au q 2.441556794623436 1.188e-07 au i 15.61640867958216 5.3015e-06 deg node 136.0659151778609 1.5271e-05 deg peri 281.3111493879857 2.5173e-05 deg M 355.3416276534405 1.9525e-05 deg tp 2459023.100824497030 (2020-Jun-22.60082450) 9.4788e-05 TDB period 1746.596496293361 4.78 1.7951e-05 4.915e-08 d yr n .2061151506738931 2.1184e-09 deg/d Q 3.235101692925001 2.2167e-08 au   Orbit Determination Parameters    # obs. used (total)      442      data-arc span      6489 days (17.77 yr)      first obs. used      2002-01-07      last obs. used      2019-10-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55413      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 17:07:58   Additional Information  Earth MOID = 1.51115 au   Jupiter MOID = 2.1662 au   T_jup = 3.242  [ 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 15.3   n/a MPO453934   146832 (2002 AZ23)          Discovered 2002-Jan-07 by NEAT at Palomar Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 08:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin