+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6495 (1992 UB1) Classification: Main-belt Asteroid          SPK-ID: 2006495 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1342352641525503 6.2459e-08   a 2.33513628013957 1.7055e-08 AU q 2.021678644742831 1.4712e-07 AU i 6.649715581403101 7.278e-06 deg node 246.8383845505008 5.8874e-05 deg peri 45.55618755416973 6.6999e-05 deg M 348.0952745648857 3.6473e-05 deg tp 2456443.600633808233 (2013-May-31.10063381) 0.00013232 JED period 1303.367159161606 3.57 1.4279e-05 3.909e-08 d yr n .2762076652534124 3.0259e-09 deg/d Q 2.648593915536309 1.9344e-08 AU   Orbit Determination Parameters    # obs. used (total)      1107      data-arc span      14078 days (38.54 yr)      first obs. used      1974-09-12      last obs. used      2013-03-29      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .52778      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:22:02   Additional Information  Earth MOID = 1.01199 AU   T_jup = 3.547  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.8 mag n/a PDS3 (MPC 25420)   rotation period rot_per 5.697 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Clark, M. (2010) Minor Planet Bul. 37, 89-92.] 6495 (1992 UB1)          Discovered 1992-Oct-19 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1992 UB1 = 1974 RE1 = 1974 SG5 = 1978 WP16 = 1988 NM  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-23 04:27 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin