+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259018 (2002 TD159) Classification: Main-belt Asteroid          SPK-ID: 2259018 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1431905529181687 3.2334e-08   a 2.323513396638111 1.2907e-08 au q 1.990808228660728 7.6679e-08 au i 9.881432408430232 4.155e-06 deg node 110.97707206 2.5609e-05 deg peri 195.5056331555085 3.0438e-05 deg M 53.42006844846349 1.6887e-05 deg tp 2458808.536730803252 (2019-Nov-21.03673080) 6.049e-05 TDB period 1293.648228427474 3.54 1.0779e-05 2.951e-08 d yr n .2782827604051272 2.3188e-09 deg/d Q 2.656218564615494 1.4755e-08 au   Orbit Determination Parameters    # obs. used (total)      439      data-arc span      6616 days (18.11 yr)      first obs. used      2002-10-05      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51436      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:16:32   Additional Information  Earth MOID = .977281 au   Jupiter MOID = 2.56992 au   T_jup = 3.543  [ 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 16.3   n/a MPO476067   259018 (2002 TD159)          Discovered 2002-Oct-05 by NEAT at Palomar Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 23:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin