+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226101 (2002 PL32) Classification: Main-belt Asteroid          SPK-ID: 2226101 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1445439215525487 5.7731e-08   a 2.136773376446241 1.241e-08 au q 1.827915773145621 1.2998e-07 au i 3.989297693227772 4.9286e-06 deg node 162.1587708451972 6.4255e-05 deg peri 85.93424940558559 6.841e-05 deg M 310.4898351803144 2.8094e-05 deg tp 2459157.401824604672 (2020-Nov-03.90182460) 9.0031e-05 TDB period 1140.869901431295 3.12 9.9388e-06 2.721e-08 d yr n .3155486874957056 2.7489e-09 deg/d Q 2.445630979746861 1.4204e-08 au   Orbit Determination Parameters    # obs. used (total)      515      data-arc span      7536 days (20.63 yr)      first obs. used      1999-09-03      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54712      source      ORB      producer      Otto Matic      solution date      2020-May-21 10:27:50   Additional Information  Earth MOID = .819565 au   Jupiter MOID = 2.57925 au   T_jup = 3.700  [ 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 16.9   n/a MPO454623   diameter diameter 2.379 km 0.481 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   geometric albedo albedo 0.054   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   226101 (2002 PL32)          Discovered 2002-Aug-06 by NEAT at Palomar Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 Alternate Designations  2002 PL32 = 1999 RT217  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 01:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin