+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102651 (1999 VS51) Classification: Main-belt Asteroid          SPK-ID: 2102651 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1713465730627509 3.1072e-08   a 2.551630497395807 1.3707e-08 au q 2.114417355944634 7.9258e-08 au i 15.06181967178139 5.4229e-06 deg node 33.65355174409569 1.0873e-05 deg peri 240.4687898401871 1.896e-05 deg M 185.9723964556107 1.6086e-05 deg tp 2459920.182168311559 (2022-Dec-06.68216831) 6.8504e-05 TDB period 1488.76141092224 4.08 1.1997e-05 3.285e-08 d yr n .2418117485843427 1.9485e-09 deg/d Q 2.988843638846981 1.6056e-08 au   Orbit Determination Parameters    # obs. used (total)      1115      data-arc span      7767 days (21.26 yr)      first obs. used      1999-10-12      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49256      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:32:00   Additional Information  Earth MOID = 1.14079 au   Jupiter MOID = 2.1943 au   T_jup = 3.372  [ 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 15.03   n/a E2021B55   diameter diameter 2.248 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.420   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   102651 (1999 VS51)          Discovered 1999-Nov-03 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1999 VS51 = 2001 CS40  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 20:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin