+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10077 (1989 UL1) Classification: Main-belt Asteroid          SPK-ID: 2010077 [ 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 .111754070030186 7.9468e-08   a 2.560770618688134 2.4786e-08 AU q 2.274594079636017 2.0712e-07 AU i 10.25938369963184 8.1445e-06 deg node 44.35027176607676 4.1121e-05 deg peri 294.6295411155044 5.3204e-05 deg M 314.158603115781 3.8983e-05 deg tp 2456591.094246545905 (2013-Oct-25.59424655) 0.00016353 JED period 1496.767843480496 4.10 2.1731e-05 5.95e-08 d yr n .2405182617785782 3.492e-09 deg/d Q 2.84694715774025 2.7556e-08 AU   Orbit Determination Parameters    # obs. used (total)      998      data-arc span      15305 days (41.90 yr)      first obs. used      1971-05-13      last obs. used      2013-04-07      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53271      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:38:22   Additional Information  Earth MOID = 1.28924 AU   T_jup = 3.404  [ 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 13.2 mag n/a PDS3 (MPC 33876)   10077 (1989 UL1)          Discovered 1989-Oct-26 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19990302/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1989 UL1 = 4867 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 10:12 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin