+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   53157 Akaishidake (1999 CP) Classification: Main-belt Asteroid          SPK-ID: 2053157 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO247759 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.3467625 n/a   a 2.5565218 n/a AU q 1.6700159 n/a AU i 23.31638 n/a deg node 135.77857 n/a deg peri 95.34615 n/a deg M 120.38740 n/a deg tp 2455901.2119125 (2011-Dec-05.71191250) n/a JED period 1493.0442180 4.09 n/a n/a d yr n 0.24111811 n/a deg/d Q 3.4430277 n/a AU   Orbit Determination Parameters    # obs. used (total)      456      first obs. used      1999-??-??      last obs. used      2012-11-29      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.243  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.0 mag n/a MPO247759   53157 Akaishidake           Discovered 1999 Feb. 5 by M. Akiyama at Mishima. A mountain in the northern part of Shizuoka in Japan, Akaishidake is 3120 meters high. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040107/MPCPages.arc Last Updated: 2004-01-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 10:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin