+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3854 George (1983 EA) Classification: Mars-crossing Asteroid          SPK-ID: 2003854 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250242 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1340675 n/a   a 1.8922439 n/a AU q 1.6385555 n/a AU i 24.20920 n/a deg node 8.42724 n/a deg peri 87.58337 n/a deg M 260.67993 n/a deg tp 2456662.8002059 (2014-Jan-05.30020590) n/a JED period 950.7451425 2.60 n/a n/a d yr n 0.37865037 n/a deg/d Q 2.1459323 n/a AU   Orbit Determination Parameters    # obs. used (total)      562      first obs. used      1983-??-??      last obs. used      2012-06-23      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.48      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.840  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.5 mag n/a PDS3 (MPC 28110)   rotation period rot_per 3.3398 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Warner, B.D.; Pravec, P.; Kusnirak, P.; Foote, C.; et al. (2006) Minor Planet Bul. 33, 34-35.] [Warner, B.D. (2009) Minor Planet Bul. 36, 109-116.] 3854 George (1983 EA)          Discovered 1983-Mar-13 by Shoemaker, C. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 11:06 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin