+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48809 (1997 VX4) Classification: Main-belt Asteroid          SPK-ID: 2048809 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO236615 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2603956 n/a   a 3.0364422 n/a AU q 2.2457660 n/a AU i 1.25341 n/a deg node 80.26410 n/a deg peri 346.15260 n/a deg M 314.48279 n/a deg tp 2456644.8537904 (2013-Dec-18.35379040) n/a JED period 1932.6176743 5.29 n/a n/a d yr n 0.18627585 n/a deg/d Q 3.8271184 n/a AU   Orbit Determination Parameters    # obs. used (total)      400      first obs. used      1997-??-??      last obs. used      2012-08-10      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.188  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8 mag n/a MPO236615   48809 (1997 VX4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 01:19 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin