+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   4507 (1990 FV) Classification: Main-belt Asteroid          SPK-ID: 2004507 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256897 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0112270 n/a   a 2.8721018 n/a AU q 2.8398567 n/a AU i 2.66509 n/a deg node 47.59827 n/a deg peri 78.48992 n/a deg M 326.07703 n/a deg tp 2456568.0288230 (2013-Oct-02.52882300) n/a JED period 1777.8625006 4.87 n/a n/a d yr n 0.20249035 n/a deg/d Q 2.9043469 n/a AU   Orbit Determination Parameters    # obs. used (total)      1373      first obs. used      1962-??-??      last obs. used      2013-03-12      # oppositions      23      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.296  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.8 mag n/a PDS3 (MPC 28112)   rotation period rot_per 6.58 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Yoshida, F.; Dermawan, B.; Nakamura, T.; Ito, T.; et al. (2005) Pub. Ast. Soc. Japan 56, 1105-1113.] [Yoshida, F.; Ito, T.; Dermawan, B.; Nakamura, T.; et al. (2012) ArXiv:1205.2837v1] 4507 (1990 FV)          Discovered 1990-Mar-19 by Shiozawa and Kizawa at Fujieda Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 FV = 1932 HG = 1970 EQ3 = 1975 EX = 1976 KG1 = 1977 QM = 1985 FV = 1987 RL5 = 1987 SW  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 20:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin