+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190078 (2004 TL17) Classification: Main-belt Asteroid          SPK-ID: 2190078 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1915368533182344 6.4874e-08   a 2.691211654458017 1.6414e-08 au q 2.175745442549769 1.8027e-07 au i 4.420501926592886 5.7724e-06 deg node 320.3710495749369 6.369e-05 deg peri 53.02315076951407 6.4726e-05 deg M 251.6738893342383 1.2682e-05 deg tp 2459685.733592157208 (2022-Apr-16.23359216) 5.9524e-05 TDB period 1612.576064099443 4.41 1.4753e-05 4.039e-08 d yr n .2232452831309046 2.0424e-09 deg/d Q 3.206677866366265 1.9558e-08 au   Orbit Determination Parameters    # obs. used (total)      459      data-arc span      9065 days (24.82 yr)      first obs. used      1995-08-29      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61617      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 07:05:43   Additional Information  Earth MOID = 1.17806 au   Jupiter MOID = 2.28401 au   T_jup = 3.341  [ 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 15.94   n/a E2021B55   190078 (2004 TL17)          Discovered 2004-Oct-10 by LINEAR at Socorro Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 03:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin