+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   74924 (1999 TF151) Classification: Main-belt Asteroid          SPK-ID: 2074924 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06215741960915171 3.1416e-08   a 2.331086645058102 8.7149e-09 au q 2.186192314315936 7.1976e-08 au i 7.160748625630076 4.4826e-06 deg node 48.06403904216612 2.7192e-05 deg peri 91.14211897961212 4.6611e-05 deg M 177.293203227789 3.7128e-05 deg tp 2458360.285306776429 (2018-Aug-29.78530678) 0.00013391 TDB period 1299.978145605305 3.56 7.2901e-06 1.996e-08 d yr n .2769277323753579 1.553e-09 deg/d Q 2.475980975800268 9.2566e-09 au   Orbit Determination Parameters    # obs. used (total)      1190      data-arc span      7626 days (20.88 yr)      first obs. used      1999-09-14      last obs. used      2020-07-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50029      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 07:14:35   Additional Information  Earth MOID = 1.21298 au   Jupiter MOID = 2.53415 au   T_jup = 3.558  [ 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 15.3   n/a MPO337823   74924 (1999 TF151)          Discovered 1999-Oct-07 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-25 18:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin