+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117295 (2004 TD355) Classification: Main-belt Asteroid          SPK-ID: 2117295 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01563123684262266 4.189e-08   a 2.669807522943155 1.659e-08 au q 2.628075129227815 1.1423e-07 au i 8.230177468905245 4.3356e-06 deg node 97.47826491905327 3.1647e-05 deg peri 165.4533579473956 0.00016131 deg M 318.7953650470246 0.0001574 deg tp 2459182.873580977846 (2020-Nov-29.37358098) 0.00069613 TDB period 1593.376308926223 4.36 1.4852e-05 4.066e-08 d yr n .2259353286372157 2.1059e-09 deg/d Q 2.711539916658495 1.6849e-08 au   Orbit Determination Parameters    # obs. used (total)      716      data-arc span      9506 days (26.03 yr)      first obs. used      1994-06-10      last obs. used      2020-06-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58786      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:19:47   Additional Information  Earth MOID = 1.61249 au   Jupiter MOID = 2.30638 au   T_jup = 3.367  [ 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 15.4   n/a MPO325291   117295 (2004 TD355)          Discovered 2004-Oct-07 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-02 11:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin