+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7843 (1994 YE1) Classification: Main-belt Asteroid          SPK-ID: 2007843 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO236438 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1033684 n/a   a 2.5454683 n/a AU q 2.2823473 n/a AU i 11.39822 n/a deg node 280.02732 n/a deg peri 114.81770 n/a deg M 230.86489 n/a deg tp 2456932.5982259 (2014-Oct-02.09822590) n/a JED period 1483.3716510 4.06 n/a n/a d yr n 0.24269036 n/a deg/d Q 2.8085893 n/a AU   Orbit Determination Parameters    # obs. used (total)      682      first obs. used      1972-??-??      last obs. used      2012-08-10      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.408  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.3 mag n/a PDS3 (MPC 30442)   7843 (1994 YE1)          Discovered 1994-Dec-22 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1994 YE1 = 1972 JC1 = 1990 XY = 1993 ML  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 13:02 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin