+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11556 (1993 DV) Classification: Main-belt Asteroid          SPK-ID: 2011556 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250327 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1877728 n/a   a 2.6065745 n/a AU q 2.1171307 n/a AU i 2.52572 n/a deg node 262.55889 n/a deg peri 199.39866 n/a deg M 319.86642 n/a deg tp 2456571.8598409 (2013-Oct-06.35984090) n/a JED period 1537.1054042 4.21 n/a n/a d yr n 0.23420645 n/a deg/d Q 3.0960183 n/a AU   Orbit Determination Parameters    # obs. used (total)      731      first obs. used      1991-??-??      last obs. used      2013-01-22      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.385  [ 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 PDS3 (MPC 35847)   11556 (1993 DV)          Discovered 1993-Feb-21 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 DV = 1997 AJ21  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 14:28 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin