+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102749 (1999 VY117) Classification: Main-belt Asteroid          SPK-ID: 2102749 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1712177299453825 3.8863e-08   a 2.653664030041079 1.5412e-08 au q 2.19930969877973 1.0426e-07 au i 13.04765793692357 4.3093e-06 deg node 201.9072447151367 1.8267e-05 deg peri 216.7580369933032 2.3195e-05 deg M 295.5062019515731 1.7206e-05 deg tp 2459483.367326643551 (2021-Sep-25.86732664) 7.6909e-05 TDB period 1578.946203714268 4.32 1.3756e-05 3.766e-08 d yr n .2280001681837838 1.9863e-09 deg/d Q 3.108018361302428 1.8051e-08 au   Orbit Determination Parameters    # obs. used (total)      539      data-arc span      21924 days (60.02 yr)      first obs. used      1960-10-22      last obs. used      2020-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54915      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:52:53   Additional Information  Earth MOID = 1.22288 au   Jupiter MOID = 2.32448 au   T_jup = 3.332  [ 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 15.51   n/a E2021B55   102749 (1999 VY117)          Discovered 1999-Nov-09 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 09:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin