+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78317 (2002 PU73) Classification: Main-belt Asteroid          SPK-ID: 2078317 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .151277668445225 4.6315e-08   a 3.099666266954184 2.2139e-08 au q 2.63075598113104 1.5116e-07 au i 10.74399504132683 5.5766e-06 deg node 228.9469047255807 2.186e-05 deg peri 202.6012308031715 2.7832e-05 deg M .7996673146605209 1.6193e-05 deg tp 2458996.072305206761 (2020-May-26.57230521) 8.9647e-05 TDB period 1993.291580565263 5.46 2.1355e-05 5.847e-08 d yr n .1806057896948073 1.9349e-09 deg/d Q 3.568576552777327 2.5488e-08 au   Orbit Determination Parameters    # obs. used (total)      741      data-arc span      14261 days (39.04 yr)      first obs. used      1981-10-30      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51418      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:06:23   Additional Information  Earth MOID = 1.64844 au   Jupiter MOID = 1.77596 au   T_jup = 3.178  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8   n/a MPO502628   diameter diameter 7.434 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78317 (2002 PU73)          Discovered 2002-Aug-12 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 PU73 = 1981 US5 = 2000 GX152  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 14:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin