+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11842 Kap'bos (1987 BR1) Classification: Main-belt Asteroid          SPK-ID: 2011842 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250329 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0942810 n/a   a 2.2500078 n/a AU q 2.0378748 n/a AU i 3.68900 n/a deg node 272.85251 n/a deg peri 172.75738 n/a deg M 307.75626 n/a deg tp 2456579.3983050 (2013-Oct-13.89830500) n/a JED period 1232.7484558 3.38 n/a n/a d yr n 0.29203038 n/a deg/d Q 2.4621408 n/a AU   Orbit Determination Parameters    # obs. used (total)      924      first obs. used      1987-??-??      last obs. used      2012-12-02      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.619  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1 mag n/a PDS3 (MPC 36230)   rotation period rot_per 3.68578 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature] 11842 Kap'bos           Discovered 1987 Jan. 22 by E. W. Elst at the European Southern Observatory Kap'bos is a small village, about 20 km east of the city of Antwerp. In 1936 the discoverer was born there. It is currently the site of the Holbach Foundation. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010804/MPCPages.arc Last Updated: 2009-05-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 22:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin