+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146605 (2001 TO194) Classification: Main-belt Asteroid          SPK-ID: 2146605 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1587899352721223 3.317e-08   a 2.700332281789431 1.4969e-08 au q 2.271546693550865 8.6968e-08 au i 13.07032333493934 4.4983e-06 deg node 30.06812347935364 1.8578e-05 deg peri 58.50740306990102 2.9366e-05 deg M 47.37115646668714 1.8522e-05 deg tp 2458787.227074714686 (2019-Oct-30.72707471) 8.3931e-05 TDB period 1620.780635927811 4.44 1.3477e-05 3.69e-08 d yr n .2221151906802731 1.8469e-09 deg/d Q 3.129117870027997 1.7345e-08 au   Orbit Determination Parameters    # obs. used (total)      1009      data-arc span      6759 days (18.51 yr)      first obs. used      2001-10-15      last obs. used      2020-04-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48985      source      ORB      producer      Otto Matic      solution date      2020-May-20 23:56:00   Additional Information  Earth MOID = 1.31663 au   Jupiter MOID = 2.2472 au   T_jup = 3.313  [ 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 14.9   n/a MPO453931   146605 (2001 TO194)          Discovered 2001-Oct-15 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-23 13:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin