+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   43757 (1984 DB1) Classification: Main-belt Asteroid          SPK-ID: 2043757 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240541 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2087476 n/a   a 3.0774846 n/a AU q 2.4350671 n/a AU i 26.25749 n/a deg node 168.50863 n/a deg peri 353.19419 n/a deg M 139.30840 n/a deg tp 2455637.4252868 (2011-Mar-16.92528680) n/a JED period 1971.9334709 5.40 n/a n/a d yr n 0.18256194 n/a deg/d Q 3.7199021 n/a AU   Orbit Determination Parameters    # obs. used (total)      473      first obs. used      1984-??-??      last obs. used      2012-10-10      # oppositions      11      planetary ephem.      DE403      condition code      0      fit RMS      0.62      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.040  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.4 mag n/a MPO240541   43757 (1984 DB1)          Discovered 1984-Feb-27 by Debehogne, H. at La Silla (809) Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1984 DB1 = 2000 JP3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 14:56 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin