+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   43814 (1991 UE1) Classification: Main-belt Asteroid          SPK-ID: 2043814 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO231692 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2312825 n/a   a 2.4205332 n/a AU q 1.8607062 n/a AU i 1.53511 n/a deg node 353.86542 n/a deg peri 59.93895 n/a deg M 242.12016 n/a deg tp 2456850.9037649 (2014-Jul-12.40376490) n/a JED period 1375.5138738 3.77 n/a n/a d yr n 0.26172037 n/a deg/d Q 2.9803602 n/a AU   Orbit Determination Parameters    # obs. used (total)      561      first obs. used      1991-??-??      last obs. used      2012-05-24      # oppositions      9      planetary ephem.      DE403      condition code      0      fit RMS      0.50      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.476  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3 mag n/a MPO231692   43814 (1991 UE1)          Discovered 1991-Oct-18 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 UE1 = 1996 BU2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 12:38 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin