+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   8528 (1992 SC24) Classification: Main-belt Asteroid          SPK-ID: 2008528 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1217140089946496 7.064e-08   a 2.384050771254107 2.0525e-08 AU q 2.093878394237984 1.6515e-07 AU i 6.120044109593375 7.6488e-06 deg node 237.0814393618367 6.7109e-05 deg peri 168.0454072955887 7.5116e-05 deg M 178.4085022593262 3.2515e-05 deg tp 2455734.177124261320 (2011-Jun-21.67712426) 0.00012005 JED period 1344.533652982816 3.68 1.7363e-05 4.754e-08 d yr n .2677508288478675 3.4577e-09 deg/d Q 2.674223148270231 2.3023e-08 AU   Orbit Determination Parameters    # obs. used (total)      905      data-arc span      11499 days (31.48 yr)      first obs. used      1981-10-23      last obs. used      2013-04-17      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .51633      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:31:33   Additional Information  Earth MOID = 1.10302 AU   T_jup = 3.519  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.4 mag n/a PDS3 (MPC 31502)   8528 (1992 SC24)          Discovered 1992-Sep-29 by Holt, H. E. at Palomar (675) Reference: 19980313/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1992 SC24 = 1981 UJ13 = 1985 XQ  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 01:31 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin