+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   13934 (1988 XE2) Classification: Main-belt Asteroid          SPK-ID: 2013934 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256967 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2463329 n/a   a 2.2328086 n/a AU q 1.6827944 n/a AU i 7.76478 n/a deg node 83.13216 n/a deg peri 234.67056 n/a deg M 197.10527 n/a deg tp 2456951.9170557 (2014-Oct-21.41705570) n/a JED period 1218.6406524 3.34 n/a n/a d yr n 0.29541112 n/a deg/d Q 2.7828228 n/a AU   Orbit Determination Parameters    # obs. used (total)      858      first obs. used      1984-??-??      last obs. used      2013-03-03      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.589  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2 mag n/a PDS3 (MPC 39033)   13934 (1988 XE2)          Discovered 1988-Dec-11 by Oshima, Y. at Gekko (888) Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1988 XE2 = 1984 MN = 1991 RW25 = 1998 VB35  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 00:54 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin