+ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06215741954012023 3.1571e-08   a 2.33108664520244 9.0601e-09 au q 2.18619231461222 7.2148e-08 au i 7.160749181907733 4.7352e-06 deg node 48.06403922514725 2.7192e-05 deg peri 91.14211806947796 4.9066e-05 deg M 177.2932038238829 3.9492e-05 deg tp 2458360.285304564442 (2018-Aug-29.78530456) 0.00014281 TDB period 1299.978145726044 3.56 7.5788e-06 2.075e-08 d yr n .2769277323496375 1.6145e-09 deg/d Q 2.475980975792659 9.6232e-09 au   Orbit Determination Parameters    # obs. used (total)      1167      data-arc span      7233 days (19.80 yr)      first obs. used      1999-09-14      last obs. used      2019-07-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50266      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 17:24:04   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-Aug-05 00:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin