+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102798 (1999 VF165) Classification: Main-belt Asteroid          SPK-ID: 2102798 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08032419994475201 3.3384e-08   a 2.427256779365351 1.139e-08 au q 2.232289320502353 8.03e-08 au i 6.633845562137686 6.0719e-06 deg node 31.67485667356665 2.9962e-05 deg peri 72.96627003614218 5.7074e-05 deg M 162.8635741330757 4.6166e-05 deg tp 2458575.624536884936 (2019-Apr-02.12453688) 0.00017648 TDB period 1381.249109377965 3.78 9.722e-06 2.662e-08 d yr n .260633652217972 1.8345e-09 deg/d Q 2.622224238228348 1.2304e-08 au   Orbit Determination Parameters    # obs. used (total)      814      data-arc span      7531 days (20.62 yr)      first obs. used      1999-11-04      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57408      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 19:33:22   Additional Information  Earth MOID = 1.25957 au   Jupiter MOID = 2.47412 au   T_jup = 3.496  [ 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 15.86   n/a E2021B55   rotation period rot_per 6.36 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.] 102798 (1999 VF165)          Discovered 1999-Nov-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1999 VF165 = 2001 FZ48  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 19:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin