+ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06215741802557313 3.1089e-08   a 2.331086643344206 8.0702e-09 au q 2.18619231640003 7.1585e-08 au i 7.160745460448722 3.8649e-06 deg node 48.06403557802335 2.7034e-05 deg peri 91.14213368615417 4.2022e-05 deg M 177.2931932738488 3.2764e-05 deg tp 2458360.285343426671 (2018-Aug-29.78534343) 0.0001174 TDB period 1299.978144171621 3.56 6.7508e-06 1.848e-08 d yr n .2769277326807683 1.4381e-09 deg/d Q 2.475980970288382 8.5718e-09 au   Orbit Determination Parameters    # obs. used (total)      1306      data-arc span      7704 days (21.09 yr)      first obs. used      1999-09-14      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49356      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:41:49   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-Nov-28 15:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin