+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160633 (1999 VC46) Classification: Inner Main-belt Asteroid          SPK-ID: 2160633 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09817394991442842 4.6175e-08   a 1.943068914460187 8.701e-09 au q 1.75231016417169 8.8866e-08 au i 19.24952375464624 6.2344e-06 deg node 238.8105957532755 1.2981e-05 deg peri 112.4769615399325 3.5841e-05 deg M 245.1473826825672 3.0437e-05 deg tp 2459316.123352504208 (2021-Apr-11.62335250) 8.3486e-05 TDB period 989.3062043808436 2.71 6.6451e-06 1.819e-08 d yr n .3638913800457824 2.4442e-09 deg/d Q 2.133827664748684 9.5552e-09 au   Orbit Determination Parameters    # obs. used (total)      471      data-arc span      7524 days (20.60 yr)      first obs. used      1999-09-22      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52131      source      ORB      producer      Otto Matic      solution date      2020-May-21 01:34:30   Additional Information  Earth MOID = .821104 au   Jupiter MOID = 3.16628 au   T_jup = 3.826  [ 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 16.8   n/a MPO469697   160633 (1999 VC46)          Discovered 1999-Nov-03 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-03 11:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin