+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   80148 (1999 TA174) Classification: Main-belt Asteroid          SPK-ID: 2080148 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1643019447494269 4.1858e-08   a 2.328037227911088 9.6899e-09 au q 1.945536183916232 9.7034e-08 au i 3.136693180776174 3.9629e-06 deg node 78.22380228538213 0.00010956 deg peri 50.0911165472348 0.00011131 deg M 215.479840567103 2.1535e-05 deg tp 2459521.345887538865 (2021-Nov-02.84588754) 7.9769e-05 TDB period 1297.428125250946 3.55 8.1004e-06 2.218e-08 d yr n .2774720179049375 1.7324e-09 deg/d Q 2.710538271905945 1.1282e-08 au   Orbit Determination Parameters    # obs. used (total)      583      data-arc span      10211 days (27.96 yr)      first obs. used      1992-11-26      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56198      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:13:55   Additional Information  Earth MOID = .962391 au   Jupiter MOID = 2.34374 au   T_jup = 3.553  [ 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 16.2   n/a MPO436341   80148 (1999 TA174)          Discovered 1999-Oct-10 by LINEAR at Socorro Reference: 20040504/Numbers.arc Last Updated: 2004-07-16 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-27 11:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin