+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   74913 (1999 TL141) Classification: Main-belt Asteroid          SPK-ID: 2074913 [ 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 .1210369598343991 3.8261e-08   a 2.288036329975896 1.0472e-08 au q 2.011099368604958 8.39e-08 au i 6.054853574789202 4.2478e-06 deg node 29.47744341220785 3.8696e-05 deg peri 203.5493488179886 4.3366e-05 deg M 146.2397647282309 1.8813e-05 deg tp 2458486.981871621998 (2019-Jan-03.48187162) 6.6004e-05 TDB period 1264.133093756222 3.46 8.6786e-06 2.376e-08 d yr n .2847801404599751 1.9551e-09 deg/d Q 2.564973291346835 1.174e-08 au   Orbit Determination Parameters    # obs. used (total)      779      data-arc span      7332 days (20.07 yr)      first obs. used      1999-10-06      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56082      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 06:49:54   Additional Information  Earth MOID = 1.00215 au   Jupiter MOID = 2.4258 au   T_jup = 3.583  [ 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 15.9   n/a MPO436307   74913 (1999 TL141)          Discovered 1999-Oct-06 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-Jul-04 17:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin