+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   13613 (1994 UA3) Classification: Main-belt Asteroid          SPK-ID: 2013613 [ 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 .1783493076598698 5.2884e-08   a 2.669511564348289 2.1845e-08 AU q 2.193406025056756 1.3645e-07 AU i 1.188993717553055 5.8184e-06 deg node 241.5518364622038 0.00038947 deg peri 199.9084374137368 0.00039084 deg M 53.40266109976646 2.4787e-05 deg tp 2456164.176704181329 (2012-Aug-24.67670418) 0.00010953 JED period 1593.111368285231 4.36 1.9555e-05 5.354e-08 d yr n .2259729025645529 2.7737e-09 deg/d Q 3.145617103639822 2.5741e-08 AU   Orbit Determination Parameters    # obs. used (total)      699      data-arc span      11485 days (31.44 yr)      first obs. used      1981-10-30      last obs. used      2013-04-10      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .59387      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:53:05   Additional Information  Earth MOID = 1.20858 AU   T_jup = 3.358  [ 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 14.1 mag n/a PDS3 (MPC 38347)   13613 (1994 UA3)          Discovered 1994-Oct-26 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20000222/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1994 UA3 = 1981 UO7 = 1998 QG51  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 12:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin