+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100637 (1997 VF2) Classification: Main-belt Asteroid          SPK-ID: 2100637 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1502156408917966 6.4974e-08   a 2.572045458721624 1.3664e-08 au q 2.185684001736921 1.6095e-07 au i 14.36952442945671 5.0057e-06 deg node 59.2848288011539 1.7727e-05 deg peri 8.713474706100667 2.3403e-05 deg M 155.1573369060995 1.7923e-05 deg tp 2458351.138998002236 (2018-Aug-20.63899800) 7.2236e-05 TDB period 1506.663915356265 4.13 1.2006e-05 3.287e-08 d yr n .2389384894207642 1.904e-09 deg/d Q 2.958406915706328 1.5716e-08 au   Orbit Determination Parameters    # obs. used (total)      637      data-arc span      8271 days (22.64 yr)      first obs. used      1997-11-01      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55314      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:05:05   Additional Information  Earth MOID = 1.20025 au   Jupiter MOID = 2.3776 au   T_jup = 3.370  [ 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 15.35   n/a E2021B55   100637 (1997 VF2)          Discovered 1997-Nov-01 by Endate, K., Watanabe, K. at Kitami Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 17:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin