+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102857 (1999 VG224) Classification: Main-belt Asteroid          SPK-ID: 2102857 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1105275240163623 4.1932e-08   a 2.421972910210435 1.3202e-08 au q 2.154278241210172 1.022e-07 au i 6.734027707676473 5.023e-06 deg node 174.6080367261665 3.6177e-05 deg peri 261.4051425151549 4.2633e-05 deg M 203.9085407385359 2.4539e-05 deg tp 2459797.437673616270 (2022-Aug-05.93767362) 9.6443e-05 TDB period 1376.741325365463 3.77 1.1257e-05 3.082e-08 d yr n .2614870298198074 2.138e-09 deg/d Q 2.689667579210698 1.4661e-08 au   Orbit Determination Parameters    # obs. used (total)      612      data-arc span      7584 days (20.76 yr)      first obs. used      1999-10-10      last obs. used      2020-07-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59905      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:52:14   Additional Information  Earth MOID = 1.18095 au   Jupiter MOID = 2.54184 au   T_jup = 3.495  [ 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 16.13   n/a E2021B55   102857 (1999 VG224)          Discovered 1999-Nov-05 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-04 20:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin