+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   172850 Coppens (2005 EU27) Classification: Main-belt Asteroid          SPK-ID: 2172850 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO245260 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0560406 n/a   a 2.8162698 n/a AU q 2.6584444 n/a AU i 1.78611 n/a deg node 23.48381 n/a deg peri 65.10619 n/a deg M 340.38124 n/a deg tp 2456494.5760021 (2013-Jul-21.07600210) n/a JED period 1726.2742781 4.73 n/a n/a d yr n 0.20854160 n/a deg/d Q 2.9740952 n/a AU   Orbit Determination Parameters    # obs. used (total)      81      first obs. used      1998-??-??      last obs. used      2012-11-07      # oppositions      7      planetary ephem.      DE403      condition code      0      fit RMS      0.35      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.316  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.7 mag n/a MPO245260   172850 Coppens           Discovered 2005 Mar. 3 by J.-C. Merlin at Tenagra II. A native of Vannes (Brittany, France), Yves Coppens (b. 1934) is an internationally known paleoanthropologist. A professor and former chair of anthropology of the Paris Muséum National d´Histoire Naturelle, he codiscovered Lucy, the Australopithecus afarensis in Ethiopia. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20080321/MPCPages.arc Last Updated: 2008-03-26 Alternate Designations  2005 EU27 = 2003 YO173  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 07:28 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin