+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3104 Durer (1982 BB1) Classification: Main-belt Asteroid          SPK-ID: 2003104 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08995855681094832 6.7551e-08   a 2.962722992143385 3.2074e-08 AU q 2.696200707539551 1.9274e-07 AU i 24.16688711520674 9.3423e-06 deg node 162.2427696394535 1.4753e-05 deg peri 242.4958150905662 5.0611e-05 deg M 124.1232797317198 4.8629e-05 deg tp 2455758.277169447711 (2011-Jul-15.77716945) 0.00025039 JED period 1862.666048613447 5.10 3.0248e-05 8.281e-08 d yr n .1932713597630563 3.1385e-09 deg/d Q 3.229245276747218 3.496e-08 AU   Orbit Determination Parameters    # obs. used (total)      1038      data-arc span      20941 days (57.33 yr)      first obs. used      1955-12-12      last obs. used      2013-04-12      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .51676      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:55:50   Additional Information  Earth MOID = 1.76391 AU   T_jup = 3.128  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.1 mag n/a PDS3 (MPC 17267)   diameter diameter 18.6 km n/a DASTCOM value unverified rotation period rot_per 6.327 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Brinsfield, J.W. (2011) Minor Planet Bul. 38, 73-74.] geometric albedo albedo 0.1858   0.053 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 2: from the PDS IMPS singleton file 3104 Durer (1982 BB1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM) (688) Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1982 BB1 = 1955 XG1 = 1980 VM2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 23:32 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin