+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3551 Verenia (1983 RD) Classification: Amor [NEO]          SPK-ID: 2003551 [ 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 47 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4865740218124251 5.5405e-08   a 2.093284996155581 1.0943e-08 AU q 1.074746896776553 1.1847e-07 AU i 9.502439789726395 8.0286e-06 deg node 173.8700213705904 2.4558e-05 deg peri 193.2210027428583 3.2098e-05 deg M 275.6746833114692 3.4925e-05 deg tp 2456659.617322797523 (2014-Jan-02.11732280) 0.00010934 JED period 1106.218628880592 3.03 8.6743e-06 2.375e-08 d yr n .3254329574654625 2.5518e-09 deg/d Q 3.111823095534608 1.6267e-08 AU   Orbit Determination Parameters    # obs. used (total)      306      data-arc span      10874 days (29.77 yr)      first obs. used      1983-09-07      last obs. used      2013-06-15      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .7791      data source      ORB      producer      Otto Matic      solution date      2013-Jun-16 03:16:14   Additional Information  Earth MOID = .0761421 AU   T_jup = 3.579  [ 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 16.75 mag n/a PDS3 (MPC 17269)   diameter diameter 0.9 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   rotation period rot_per 4.930 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: [Harris, A.W.; Young, J.W. (1985) Bul. Amer. Astron. Soc. 17, 726.] [Binzel, R.P. (1987) Icarus 72, 135-208.] geometric albedo albedo 0.37   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   B-V BV .839 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=44.90 deg. U-B UB .481 mag .039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=44.90 deg. Tholen spectral type spec_T V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices 3551 Verenia (1983 RD)          Discovered 1983-Sep-12 by Dunbar, R. S. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-Jun-19 05:27 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin