+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15486 (1999 CP62) Classification: Main-belt Asteroid          SPK-ID: 2015486 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1738810681160743 2.7858e-08   a 2.596990124999095 1.0345e-08 au q 2.145422708177355 7.1483e-08 au i 14.95967262557049 4.8197e-06 deg node 149.4218745488606 1.2304e-05 deg peri 278.1691231256522 1.95e-05 deg M 83.1358849441138 1.4609e-05 deg tp 2458647.487651466483 (2019-Jun-12.98765147) 6.151e-05 TDB period 1528.63526451298 4.19 9.1338e-06 2.501e-08 d yr n .2355041836056918 1.4072e-09 deg/d Q 3.048557541820835 1.2144e-08 au   Orbit Determination Parameters    # obs. used (total)      1973      data-arc span      9723 days (26.62 yr)      first obs. used      1993-09-14      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .456      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:11:54   Additional Information  Earth MOID = 1.21842 au   Jupiter MOID = 2.3541 au   T_jup = 3.348  [ 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 13.9   n/a MPO452389   diameter diameter 4.682 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.267   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15486 (1999 CP62)          Discovered 1999-Feb-12 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 CP62 = 1993 RT  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-21 03:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin