+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18763 (1999 JV2) Classification: Main-belt Asteroid          SPK-ID: 2018763 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250398 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1384130 n/a   a 2.5435348 n/a AU q 2.1914765 n/a AU i 12.92270 n/a deg node 169.00775 n/a deg peri 69.07474 n/a deg M 157.50028 n/a deg tp 2455752.2630409 (2011-Jul-09.76304090) n/a JED period 1481.6818439 4.06 n/a n/a d yr n 0.24296714 n/a deg/d Q 2.8955931 n/a AU   Orbit Determination Parameters    # obs. used (total)      555      first obs. used      1991-??-??      last obs. used      2013-01-08      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.396  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a PDS3 (MPO 5287)   18763 (1999 JV2)          Discovered 1999-May-08 by Beijing Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20001111/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 10:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin