+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   52286 (1990 QT1) Classification: Main-belt Asteroid          SPK-ID: 2052286 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233786 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2194810 n/a   a 2.4121365 n/a AU q 1.8827184 n/a AU i 2.93870 n/a deg node 132.94993 n/a deg peri 198.35731 n/a deg M 21.68532 n/a deg tp 2456318.0739324 (2013-Jan-25.57393240) n/a JED period 1368.3627612 3.75 n/a n/a d yr n 0.26308813 n/a deg/d Q 2.9415546 n/a AU   Orbit Determination Parameters    # obs. used (total)      599      first obs. used      1990-??-??      last obs. used      2012-06-23      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.484  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.1 mag n/a MPO233786   52286 (1990 QT1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675) Reference: 20030216/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 QT1 = 1990 QG7 = 1997 JD18  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 20:58 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin