+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102306 (1999 TF93) Classification: Main-belt Asteroid          SPK-ID: 2102306 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1264378907781937 5.6666e-08   a 2.403622296425495 1.0426e-08 au q 2.099713363038017 1.3559e-07 au i 6.862028286347639 4.845e-06 deg node 61.58888196020084 3.5037e-05 deg peri 327.3983066239404 3.7561e-05 deg M 233.978113905788 1.4496e-05 deg tp 2459676.976227088595 (2022-Apr-07.47622709) 5.6409e-05 TDB period 1361.124222689858 3.73 8.8562e-06 2.425e-08 d yr n .2644872481135974 1.7209e-09 deg/d Q 2.707531229812973 1.1744e-08 au   Orbit Determination Parameters    # obs. used (total)      1078      data-arc span      7563 days (20.71 yr)      first obs. used      1999-09-14      last obs. used      2020-05-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52701      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 01:17:21   Additional Information  Earth MOID = 1.10791 au   Jupiter MOID = 2.71926 au   T_jup = 3.504  [ 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 15.24   n/a E2021B55   102306 (1999 TF93)          Discovered 1999-Oct-02 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-07 09:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin