+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11065 (1991 XE2) Classification: Main-belt Asteroid          SPK-ID: 2011065 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234902 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1698916 n/a   a 2.7857854 n/a AU q 2.3125039 n/a AU i 9.91591 n/a deg node 66.12385 n/a deg peri 293.60743 n/a deg M 267.86702 n/a deg tp 2456835.1428336 (2014-Jun-26.64283360) n/a JED period 1698.3214923 4.65 n/a n/a d yr n 0.21197400 n/a deg/d Q 3.2590669 n/a AU   Orbit Determination Parameters    # obs. used (total)      905      first obs. used      1949-??-??      last obs. used      2012-06-27      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.288  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.6 mag n/a PDS3 (MPC 35228)   rotation period rot_per 8. h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] 11065 (1991 XE2)          Discovered 1991-Dec-01 by Holt, H. E. at Palomar (675) Reference: 19990728/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 XE2 = 1949 WM1 = 1951 EF1 = 1986 VG4 = 1999 KF14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 11:43 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin