+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382664 (2002 TD101) Classification: Main-belt Asteroid          SPK-ID: 2382664 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1551507873911153 9.7285e-08   a 2.309520663462463 1.5548e-08 au q 1.95119671403021 2.2686e-07 au i 1.620420465137954 7.072e-06 deg node 293.2931844185226 0.00034803 deg peri 92.60914263582767 0.00034959 deg M 359.7445040568529 2.9286e-05 deg tp 2459001.409835154341 (2020-May-31.90983515) 0.00010429 TDB period 1281.979868361381 3.51 1.2946e-05 3.544e-08 d yr n .2808156421833283 2.8358e-09 deg/d Q 2.667844612894715 1.7961e-08 au   Orbit Determination Parameters    # obs. used (total)      124      data-arc span      7617 days (20.85 yr)      first obs. used      1999-12-15      last obs. used      2020-10-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55127      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:40:57   Additional Information  Earth MOID = .956081 au   Jupiter MOID = 2.78204 au   T_jup = 3.569  [ hide covariance matrix ] Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1564480907830552 9.7584e-08   q 1.948158082812446 2.2781e-07 au tp 2456436.832796324721 (2013-May-24.33279632) 9.7692e-05 TDB node 293.4170267056373 0.00034857 deg peri 92.39597375424863 0.00035007 deg i 1.618960994937161 7.0704e-06 deg   Orbit Determination Parameters    # obs. used (total)      124      data-arc span      7617 days (20.85 yr)      first obs. used      1999-12-15      last obs. used      2020-10-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55127      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:40:57   Additional Information  Jupiter MOID = 2.78204 au   T_jup = 3.569  Orbit Covariance (6×6)   e q tp node peri i e 9.522573791391206E-15 -2.219418770139845E-14 -5.346676775153707E-12 1.157530707011025E-13 -2.020706292255748E-12 -7.460035469944807E-15 q -2.219418770139845E-14 5.189723431600656E-14 1.240720113682072E-11 -2.761325396593991E-13 4.710929500063686E-12 1.75431850766616E-14 tp -5.346676775153707E-12 1.240720113682072E-11 9.543715234211042E-9 -1.217902174985956E-10 3.251939663351912E-9 4.912914157333935E-12 node 1.157530707011025E-13 -2.761325396593991E-13 -1.217902174985956E-10 1.215040275065405E-7 -1.214958721405599E-7 6.76822337675679E-10 peri -2.020706292255748E-12 4.710929500063686E-12 3.251939663351912E-9 -1.214958721405599E-7 1.225507397682443E-7 -6.748666480710991E-10 i -7.460035469944807E-15 1.75431850766616E-14 4.912914157333935E-12 6.76822337675679E-10 -6.748666480710991E-10 4.999102062126764E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.8   n/a MPO440656   382664 (2002 TD101)          Discovered 2002-Oct-04 by LINEAR at Socorro Reference: Last Updated: 2014-01-21 Alternate Designations  2002 TD101 = 1999 XJ227  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 11:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin