+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   91310 (1999 GH5) Classification: Main-belt Asteroid          SPK-ID: 2091310 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233920 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1418433 n/a   a 2.2351496 n/a AU q 1.9181086 n/a AU i 3.20651 n/a deg node 23.39311 n/a deg peri 45.21653 n/a deg M 176.23414 n/a deg tp 2455802.9890292 (2011-Aug-29.48902920) n/a JED period 1220.5577732 3.34 n/a n/a d yr n 0.29494712 n/a deg/d Q 2.5521906 n/a AU   Orbit Determination Parameters    # obs. used (total)      537      first obs. used      1992-??-??      last obs. used      2012-06-10      # oppositions      9      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.624  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.1 mag n/a MPC47775   91310 (1999 GH5)          Discovered 1999-Apr-06 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20041028/Numbers.arc Last Updated: 2004-10-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 15:05 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin