+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2039328327967718 5.58e-08   a 2.300153857811233 1.2287e-08 au q 1.831076965719365 1.3065e-07 au i 4.962340380883633 5.635e-06 deg node 7.834391625979956 5.7981e-05 deg peri .769347020991189 5.937e-05 deg M 348.1484537909259 1.7094e-05 deg tp 2459042.447518169720 (2020-Jul-11.94751817) 6.0722e-05 TDB period 1274.188723960512 3.49 1.021e-05 2.795e-08 d yr n .2825327153116107 2.2638e-09 deg/d Q 2.7692307499031 1.4793e-08 au   Orbit Determination Parameters    # obs. used (total)      473      data-arc span      9153 days (25.06 yr)      first obs. used      1994-03-14      last obs. used      2019-04-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57699      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 09:14:58   Additional Information  Earth MOID = .830241 au   Jupiter MOID = 2.69342 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 16.4   n/a MPO280685   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 ] 2020-Oct-29 11:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin