+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118138 (4036 T-3) Classification: Main-belt Asteroid          SPK-ID: 2118138 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1525078223964022 4.8895e-08   a 3.169799117928334 3.1705e-08 au q 2.686379957019047 1.5573e-07 au i 6.143398636267035 5.4819e-06 deg node 48.24026985615843 4.582e-05 deg peri 306.1227461915714 4.8646e-05 deg M 202.7968862116791 1.9601e-05 deg tp 2459900.628847905727 (2022-Nov-17.12884791) 0.00012094 TDB period 2061.322943528972 5.64 3.0926e-05 8.467e-08 d yr n .1746451234776838 2.6202e-09 deg/d Q 3.65321827883762 3.654e-08 au   Orbit Determination Parameters    # obs. used (total)      420      data-arc span      15540 days (42.55 yr)      first obs. used      1977-10-11      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55259      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:17:54   Additional Information  Earth MOID = 1.68783 au   Jupiter MOID = 1.81641 au   T_jup = 3.175  [ show covariance matrix ] [ 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 15.2   n/a MPO432684   118138 (4036 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  4036 T-3 = 2000 VG9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 08:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin