+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9210 (1995 BW2) Classification: Main-belt Asteroid          SPK-ID: 2009210 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250301 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2202291 n/a   a 3.0849297 n/a AU q 2.4055384 n/a AU i 7.09066 n/a deg node 349.42816 n/a deg peri 82.99806 n/a deg M 162.83228 n/a deg tp 2455505.3324244 (2010-Nov-04.83242440) n/a JED period 1979.0936246 5.42 n/a n/a d yr n 0.18190145 n/a deg/d Q 3.7643210 n/a AU   Orbit Determination Parameters    # obs. used (total)      612      first obs. used      1977-??-??      last obs. used      2012-07-20      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.177  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.8 mag n/a PDS3 (MPC 32426)   9210 (1995 BW2)          Discovered 1995-Jan-27 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 19980910/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1995 BW2 = 1977 RC20 = 1990 EC6  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 11:16 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin