+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160633 (1999 VC46) Classification: Inner Main-belt Asteroid          SPK-ID: 2160633 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09813788243867906 4.4961e-08   a 1.943416761976656 7.3521e-09 au q 1.752693956260433 8.7302e-08 au i 19.24628488832019 6.1576e-06 deg node 238.80373716 1.1027e-05 deg peri 112.3588154422295 3.069e-05 deg M 318.0339998700172 2.7758e-05 deg tp 2459315.856592775020 (2021-Apr-11.35659277) 7.6431e-05 TDB period 989.5718741452608 2.71 5.6155e-06 1.537e-08 d yr n .3637936863463795 2.0644e-09 deg/d Q 2.13413956769288 8.0736e-09 au   Orbit Determination Parameters    # obs. used (total)      525      data-arc span      7635 days (20.90 yr)      first obs. used      1999-09-22      last obs. used      2020-08-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51409      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:02:10   Additional Information  Earth MOID = .820584 au   Jupiter MOID = 3.16451 au   T_jup = 3.826  [ 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 16.71   n/a E2021B55   160633 (1999 VC46)          Discovered 1999-Nov-03 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 05:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin