+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146206 (2000 UT65) Classification: Main-belt Asteroid          SPK-ID: 2146206 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2266538659038503 5.0273e-08   a 3.126448855972573 2.8981e-08 au q 2.41782713621572 1.6026e-07 au i 5.750431663664171 6.7973e-06 deg node 244.3319657183374 6.0875e-05 deg peri 102.8529672648971 6.3315e-05 deg M 221.0847597721542 1.7728e-05 deg tp 2459779.653118776148 (2022-Jul-19.15311878) 0.00010654 TDB period 2019.18178523358 5.53 2.8076e-05 7.687e-08 d yr n .1782900393776854 2.479e-09 deg/d Q 3.835070575729426 3.555e-08 au   Orbit Determination Parameters    # obs. used (total)      336      data-arc span      7146 days (19.56 yr)      first obs. used      2000-10-23      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60861      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 14:29:56   Additional Information  Earth MOID = 1.41943 au   Jupiter MOID = 1.68139 au   T_jup = 3.167  [ hide covariance matrix ] Orbital Elements at Epoch 2456971.5 (2014-Nov-10.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2253986644619247 5.0243e-08   q 2.422600315698505 1.5998e-07 au tp 2457760.798340944986 (2017-Jan-07.29834095) 9.0357e-05 TDB node 244.3499340078909 6.0857e-05 deg peri 103.110687323735 6.3333e-05 deg i 5.749686964730269 6.7969e-06 deg   Orbit Determination Parameters    # obs. used (total)      336      data-arc span      7146 days (19.56 yr)      first obs. used      2000-10-23      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60861      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 14:29:56   Additional Information  Jupiter MOID = 1.68139 au   T_jup = 3.167  Orbit Covariance (6×6)   e q tp node peri i e 2.524311547761895E-15 -7.959560796871143E-15 -4.496983462280205E-14 1.015816414918626E-14 -4.159554277186039E-15 -4.656555886357968E-15 q -7.959560796871143E-15 2.559357891866177E-14 1.129543310610606E-12 -3.513724972232687E-14 1.581824491324393E-13 1.622567618422532E-14 tp -4.496983462280205E-14 1.129543310610606E-12 8.164418481661041E-9 -2.660039801555983E-11 1.60935190321109E-9 5.903171688307794E-12 node 1.015816414918626E-14 -3.513724972232687E-14 -2.660039801555983E-11 3.703596753130485E-9 -3.689734122828264E-9 7.282208302727133E-12 peri -4.159554277186039E-15 1.581824491324393E-13 1.60935190321109E-9 -3.689734122828264E-9 4.011093134893159E-9 -6.167637436154509E-12 i -4.656555886357968E-15 1.622567618422532E-14 5.903171688307794E-12 7.282208302727133E-12 -6.167637436154509E-12 4.619831858675156E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.5   n/a MPO385651   146206 (2000 UT65)          Discovered 2000-Oct-25 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ show close-approach data ] Alternate Designations  2000 UT65 = 2005 MQ9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin