+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134214 (2005 TU61) Classification: Main-belt Asteroid          SPK-ID: 2134214 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1664852506121863 4.8911e-08   a 2.380222320821289 1.2468e-08 au q 1.983950411226637 1.1691e-07 au i 3.94959636898489 5.1292e-06 deg node 344.20976261 6.1355e-05 deg peri 198.7045306367715 6.2952e-05 deg M 288.4337994897948 1.8058e-05 deg tp 2459267.142991006897 (2021-Feb-21.64299101) 6.8613e-05 TDB period 1341.296255469013 3.67 1.0539e-05 2.885e-08 d yr n .2683970812056866 2.1088e-09 deg/d Q 2.776494230415941 1.4544e-08 au   Orbit Determination Parameters    # obs. used (total)      605      data-arc span      8091 days (22.15 yr)      first obs. used      1997-11-30      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53868      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 07:27:53   Additional Information  Earth MOID = .987022 au   Jupiter MOID = 2.1876 au   T_jup = 3.517  [ 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 16.0   n/a MPO453826   diameter diameter 3.485 km 0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134214 (2005 TU61)          Discovered 2005-Oct-03 by Spacewatch at Kitt Peak Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-01 01:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin