+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7337 (1990 QH1) Classification: Main-belt Asteroid          SPK-ID: 2007337 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253414 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0810534 n/a   a 2.3680948 n/a AU q 2.1761527 n/a AU i 5.65702 n/a deg node 344.95839 n/a deg peri 343.26584 n/a deg M 89.02012 n/a deg tp 2456071.3584401 (2012-May-23.85844010) n/a JED period 1331.0582098 3.64 n/a n/a d yr n 0.27046150 n/a deg/d Q 2.5600369 n/a AU   Orbit Determination Parameters    # obs. used (total)      1059      first obs. used      1954-??-??      last obs. used      2013-02-10      # oppositions      17      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.536  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6 mag n/a PDS3 (MPC 28572)   7337 (1990 QH1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 QH1 = 1928 RM = 1981 AP3 = 1989 GK4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 20:39 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin