+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7751 (1988 UA) Classification: Main-belt Asteroid          SPK-ID: 2007751 [ 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 .1889748769859859 8.2614e-08   a 2.473482905838705 1.7684e-08 AU q 2.006056777980897 2.094e-07 AU i 1.088318088882179 7.2619e-06 deg node 256.5107098854425 0.00045438 deg peri 92.69522257744417 0.00045514 deg M 128.5863084554836 2.3768e-05 deg tp 2455892.978991201338 (2011-Nov-27.47899120) 9.2155e-05 JED period 1420.894381074573 3.89 1.5238e-05 4.172e-08 d yr n .2533615480467623 2.7171e-09 deg/d Q 2.940909033696514 2.1026e-08 AU   Orbit Determination Parameters    # obs. used (total)      611      data-arc span      15362 days (42.06 yr)      first obs. used      1971-03-24      last obs. used      2013-04-14      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .61044      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:27:49   Additional Information  Earth MOID = .999693 AU   T_jup = 3.457  [ 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 14.0 mag n/a PDS3 (MPC 30257)   7751 (1988 UA)          Discovered 1988-Oct-16 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1988 UA = 1992 UL3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 09:51 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin