+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2001 TC45) Classification: Apollo [NEO, PHA]          SPK-ID: 3092385 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6422358278726238 7.0949e-08   a 2.220572578436804 2.8623e-08 au q .7944413101731965 1.5862e-07 au i 15.47540018289442 3.7435e-05 deg node 35.50635120998849 1.7266e-05 deg peri 66.63951913899004 3.1401e-05 deg M 209.2039088879845 3.6427e-05 deg tp 2459506.771487055359 (2021-Oct-19.27148706) 0.00013176 TDB period 1208.637001104644 3.31 2.3369e-05 6.398e-08 d yr n .2978561798711895 5.759e-09 deg/d Q 3.646703846700412 4.7006e-08 au   Orbit Determination Parameters    # obs. used (total)      150      data-arc span      3602 days (9.86 yr)      first obs. used      2001-10-15      last obs. used      2011-08-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5831      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:11:23   Additional Information  Earth MOID = .024018 au   Jupiter MOID = 1.88656 au   T_jup = 3.308  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 19.2   n/a MPO206048   SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Icarus 170, 259-294   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 17:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin