+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   53468 Varros (2000 AC2) Classification: Main-belt Asteroid          SPK-ID: 2053468 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250697 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0707661 n/a   a 2.2217418 n/a AU q 2.0645178 n/a AU i 2.75665 n/a deg node 126.75944 n/a deg peri 336.53094 n/a deg M 10.75241 n/a deg tp 2456364.3721503 (2013-Mar-12.87215030) n/a JED period 1209.5916993 3.31 n/a n/a d yr n 0.29762109 n/a deg/d Q 2.3789658 n/a AU   Orbit Determination Parameters    # obs. used (total)      467      first obs. used      1977-??-??      last obs. used      2013-01-09      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.49      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.644  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.8 mag n/a MPO250697   53468 Varros           Discovered 2000 Jan. 2 by S. Sposetti at Gnosca. George Varros (b. 1959) is an amateur astronomer who helped NASA's Meteoroid Environment Office popularize lunar-meteoroid-impact monitoring by amateur astronomers, for the purpose of assessing the dangers to future astronauts during prolonged visits to the lunar surface. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20090409/MPCPages.arc Last Updated: 2009-04-10 Alternate Designations  2000 AC2 = 1977 DB7  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 07:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin