+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7760 (1990 RW3) Classification: Main-belt Asteroid          SPK-ID: 2007760 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240265 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1910882 n/a   a 2.4077991 n/a AU q 1.9476971 n/a AU i 1.90326 n/a deg node 39.74788 n/a deg peri 294.93321 n/a deg M 30.30383 n/a deg tp 2456285.6254518 (2012-Dec-24.12545180) n/a JED period 1364.6736190 3.74 n/a n/a d yr n 0.26379934 n/a deg/d Q 2.8679011 n/a AU   Orbit Determination Parameters    # obs. used (total)      1242      first obs. used      1979-??-??      last obs. used      2012-09-02      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.496  [ 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 30260)   rotation period rot_per 25.940 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Pray, D.P.; Galad, A.; Gajdos, S.; Vilagi, J.; et al. (2006) Minor Planet Bul. 33, 92-95.] [Galad, A. (2010) Astron. Astrophys. 514, A55.] 7760 (1990 RW3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 RW3 = 1979 UW4 = 1979 WK6  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 02:31 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin