+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102801 (1999 VX166) Classification: Main-belt Asteroid          SPK-ID: 2102801 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07743227431992901 5.8658e-08   a 2.463167158852048 1.3865e-08 au q 2.272438523711976 1.4699e-07 au i 8.229738980409513 4.44e-06 deg node 46.11940888635075 4.2791e-05 deg peri 83.00374614740386 5.663e-05 deg M 98.57729104342282 3.4978e-05 deg tp 2458813.853900161332 (2019-Nov-26.35390016) 0.00013782 TDB period 1412.014820742101 3.87 1.1922e-05 3.264e-08 d yr n .254954831005809 2.1527e-09 deg/d Q 2.65389579399212 1.4939e-08 au   Orbit Determination Parameters    # obs. used (total)      551      data-arc span      7501 days (20.54 yr)      first obs. used      1999-11-06      last obs. used      2020-05-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5411      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:52:36   Additional Information  Earth MOID = 1.30487 au   Jupiter MOID = 2.39589 au   T_jup = 3.470  [ 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 16.07   n/a E2021B55   102801 (1999 VX166)          Discovered 1999-Nov-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 09:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin