+ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0621574184919611 3.1087e-08   a 2.33108664357766 8.0683e-09 au q 2.186192315531783 7.1583e-08 au i 7.160745398545393 3.8632e-06 deg node 48.06403534737831 2.7031e-05 deg peri 91.14213258401732 4.2009e-05 deg M 177.2931944268106 3.2753e-05 deg tp 2458360.285339167093 (2018-Aug-29.78533917) 0.00011736 TDB period 1299.978144366906 3.56 6.7492e-06 1.848e-08 d yr n .2769277326391676 1.4378e-09 deg/d Q 2.475980971623537 8.5698e-09 au   Orbit Determination Parameters    # obs. used (total)      1310      data-arc span      7727 days (21.16 yr)      first obs. used      1999-09-14      last obs. used      2020-11-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49517      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:09:33   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 ] 2021-Jan-26 04:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin