+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102661 (1999 VX57) Classification: Main-belt Asteroid          SPK-ID: 2102661 [ 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 .1876518622635426 4.0738e-08   a 2.247738371487615 6.9271e-09 au q 1.825946080196742 8.9966e-08 au i 4.03872504534822 4.7385e-06 deg node 226.6408895120949 4.9919e-05 deg peri 108.7701366585755 5.1494e-05 deg M 151.1673568314425 1.1269e-05 deg tp 2458683.640402655887 (2019-Jul-19.14040266) 3.8206e-05 TDB period 1230.883829313462 3.37 5.69e-06 1.558e-08 d yr n .2924727674753787 1.352e-09 deg/d Q 2.669530662778489 8.227e-09 au   Orbit Determination Parameters    # obs. used (total)      700      data-arc span      7762 days (21.25 yr)      first obs. used      1999-10-22      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46491      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:32:03   Additional Information  Earth MOID = .819458 au   Jupiter MOID = 2.71475 au   T_jup = 3.603  [ 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 16.4   n/a MPO526862   102661 (1999 VX57)          Discovered 1999-Nov-04 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-08 18:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin