+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   21592 (1998 VJ5) Classification: Main-belt Asteroid          SPK-ID: 2021592 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250424 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2378415 n/a   a 2.8659172 n/a AU q 2.1842832 n/a AU i 11.47447 n/a deg node 22.02866 n/a deg peri 287.04111 n/a deg M 65.18895 n/a deg tp 2456079.6031974 (2012-Jun-01.10319740) n/a JED period 1772.1231734 4.85 n/a n/a d yr n 0.20314615 n/a deg/d Q 3.5475512 n/a AU   Orbit Determination Parameters    # obs. used (total)      634      first obs. used      1983-??-??      last obs. used      2013-01-23      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.228  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.10 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 diameter diameter 11.13 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 geometric albedo albedo 0.0821   0.016 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 21592 (1998 VJ5)          Discovered 1998-Nov-08 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 20010208/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1998 VJ5 = 1988 TG4 = 1993 VR5  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 05:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin