+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10121 Arzamas (1993 BS4) Classification: Main-belt Asteroid          SPK-ID: 2010121 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244275 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1580109 n/a   a 3.1972104 n/a AU q 2.6920163 n/a AU i 0.89702 n/a deg node 30.54219 n/a deg peri 263.12491 n/a deg M 44.70254 n/a deg tp 2456141.2104802 (2012-Aug-01.71048020) n/a JED period 2088.1190896 5.72 n/a n/a d yr n 0.17240396 n/a deg/d Q 3.7024045 n/a AU   Orbit Determination Parameters    # obs. used (total)      839      first obs. used      1971-??-??      last obs. used      2012-10-08      # oppositions      16      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.175  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.5 mag n/a PDS3 (MPC 33886)   rotation period rot_per 12.1 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2011). MNRAS 421, 2094-2108.] 10121 Arzamas           Discovered 1993 Jan. 27 by E. W. Elst at Caussols. Arzamas, on the Tesha river, was founded in 1578 by Ivan the Terrible. It became a major transit center on the road from Moscow to the eastern parts of Russia. Its main industry has always been the production of leather and the dyeing of fabrics. 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  1993 BS4 = 1994 GA11 = 2118 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 20:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin