+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   37817 (1998 BV2) Classification: Main-belt Asteroid          SPK-ID: 2037817 [ 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 .1492379880844908 6.4336e-08   a 2.422669408512252 1.7834e-08 AU q 2.06111510019204 1.5521e-07 AU i 1.934856407649576 7.1232e-06 deg node 45.93843107572197 0.0001791 deg peri 42.85306178399984 0.00018158 deg M 40.57730842913707 2.6636e-05 deg tp 2456245.254008523361 (2012-Nov-13.75400852) 0.00010218 JED period 1377.335242163538 3.77 1.5208e-05 4.164e-08 d yr n .2613742747441115 2.8861e-09 deg/d Q 2.784223716832463 2.0496e-08 AU   Orbit Determination Parameters    # obs. used (total)      685      data-arc span      8038 days (22.01 yr)      first obs. used      1991-04-14      last obs. used      2013-04-16      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .56842      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:26:21   Additional Information  Earth MOID = 1.07737 AU   T_jup = 3.496  [ 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 14.7 mag n/a PDS3 (MPO 26290)   37817 (1998 BV2)          Discovered 1998-Jan-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 20020328/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 08:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin