+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   28340 Yukihiro (1999 EG5) Classification: Main-belt Asteroid          SPK-ID: 2028340 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257062 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1497776 n/a   a 3.0169279 n/a AU q 2.5650597 n/a AU i 11.84211 n/a deg node 80.74818 n/a deg peri 286.45332 n/a deg M 59.35620 n/a deg tp 2456084.9200440 (2012-Jun-06.42004400) n/a JED period 1914.0171397 5.24 n/a n/a d yr n 0.18808609 n/a deg/d Q 3.4687961 n/a AU   Orbit Determination Parameters    # obs. used (total)      832      first obs. used      1998-??-??      last obs. used      2013-03-15      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.49      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.198  [ 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 (MPO 15332)   28340 Yukihiro           Discovered 1999 Mar. 13 by H. Abe at Yatsuka. Yukihiro Adachi (b. 1965) is a member of Matsue Astronomy Club. He has popularized astronomy in Shimane prefecture and is an observing partner of the discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20071124/MPCPages.arc Last Updated: 2007-11-26 Alternate Designations  1999 EG5 = 2000 JF57  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 08:30 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin