+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102696 (1999 VA81) Classification: Main-belt Asteroid          SPK-ID: 2102696 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1905946616348879 3.618e-08   a 2.426457793080206 1.3627e-08 au q 1.963987891036747 8.5099e-08 au i 3.963866840093627 3.704e-06 deg node 114.7770261028603 6.1683e-05 deg peri 216.9156296170758 6.2859e-05 deg M 267.0462036995862 1.528e-05 deg tp 2459556.969329769152 (2021-Dec-08.46932977) 6.0525e-05 TDB period 1380.567161583733 3.78 1.163e-05 3.184e-08 d yr n .2607623953528071 2.1967e-09 deg/d Q 2.888927695123665 1.6224e-08 au   Orbit Determination Parameters    # obs. used (total)      684      data-arc span      10459 days (28.64 yr)      first obs. used      1991-08-06      last obs. used      2020-03-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56568      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 09:10:57   Additional Information  Earth MOID = .953034 au   Jupiter MOID = 2.46897 au   T_jup = 3.482  [ 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 16.02   n/a E2021B55   diameter diameter 1.517 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.403   0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102696 (1999 VA81)          Discovered 1999-Nov-04 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1999 VA81 = 1991 PH14  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-04 19:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin