+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11862 (1988 XB2) Classification: Main-belt Asteroid          SPK-ID: 2011862 [ 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 0.1955269 n/a   a 2.3898665 n/a AU q 1.9225833 n/a AU i 3.12045 n/a deg node 353.94191 n/a deg peri 15.25161 n/a deg M 247.99083 n/a deg tp 2456820.3652972 (2014-Jun-11.86529720) n/a JED period 1349.4565401 3.69 n/a n/a d yr n 0.26677406 n/a deg/d Q 2.8571497 n/a AU   Orbit Determination Parameters    # obs. used (total)      763      first obs. used      1988-??-??      last obs. used      2012-06-11      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.505  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a PDS3 (MPC 36236)   11862 (1988 XB2)          Discovered 1988-Dec-07 by Oshima, Y. at Gekko (888) Reference: 19991026/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1988 XB2 = 1997 EV37  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 01:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin