+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134655 (1999 VR51) Classification: Main-belt Asteroid          SPK-ID: 2134655 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .203971908335355 4.7533e-08   a 2.300338246972217 7.2736e-09 au q 1.831133864920489 1.0915e-07 au i 4.962246911814699 4.4205e-06 deg node 7.833112824392717 5.3185e-05 deg peri .8001673676104877 5.4286e-05 deg M 44.63047571961977 1.2462e-05 deg tp 2459042.515313507068 (2020-Jul-12.01531351) 4.3926e-05 TDB period 1274.34194281853 3.49 6.0442e-06 1.655e-08 d yr n .2824987453554019 1.3399e-09 deg/d Q 2.769542629023945 8.7572e-09 au   Orbit Determination Parameters    # obs. used (total)      687      data-arc span      9806 days (26.85 yr)      first obs. used      1994-03-14      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52874      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 10:00:28   Additional Information  Earth MOID = .828784 au   Jupiter MOID = 2.69417 au   T_jup = 3.559  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.49   n/a E2021B55   134655 (1999 VR51)          Discovered 1999-Nov-03 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 05:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin