+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146608 (2001 TO200) Classification: Main-belt Asteroid          SPK-ID: 2146608 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1417582883806846 3.2177e-08   a 2.741273222992931 1.5924e-08 au q 2.35267502291765 9.2887e-08 au i 9.303422749876512 4.0791e-06 deg node 140.2693402589711 2.3923e-05 deg peri 303.1757441345059 2.8544e-05 deg M 344.5792190825197 1.5902e-05 deg tp 2459071.511842165136 (2020-Aug-10.01184217) 7.3458e-05 TDB period 1657.780064203509 4.54 1.4445e-05 3.955e-08 d yr n .2171578774371161 1.8923e-09 deg/d Q 3.129871423068211 1.8182e-08 au   Orbit Determination Parameters    # obs. used (total)      548      data-arc span      9392 days (25.71 yr)      first obs. used      1994-02-10      last obs. used      2019-10-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59188      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 17:06:01   Additional Information  Earth MOID = 1.3838 au   Jupiter MOID = 2.10179 au   T_jup = 3.316  [ 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 15.7   n/a MPO493834   146608 (2001 TO200)          Discovered 2001-Oct-11 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-Aug-10 18:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin