+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212816 (2007 TM436) Classification: Main-belt Asteroid          SPK-ID: 2212816 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02204552172154425 4.9737e-08   a 2.667809978036726 2.2381e-08 au q 2.608996715216965 1.3679e-07 au i 3.236839578202586 4.4687e-06 deg node 112.9239024589246 9.2816e-05 deg peri 70.40104233566757 0.00014858 deg M 200.7367596527033 0.00011963 deg tp 2459904.615350461130 (2022-Nov-21.11535046) 0.00053376 TDB period 1591.588401775913 4.36 2.0029e-05 5.484e-08 d yr n .2261891325661257 2.8464e-09 deg/d Q 2.726623240856488 2.2875e-08 au   Orbit Determination Parameters    # obs. used (total)      358      data-arc span      6717 days (18.39 yr)      first obs. used      2002-07-18      last obs. used      2020-12-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55982      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 23:40:12   Additional Information  Earth MOID = 1.61113 au   Jupiter MOID = 2.23087 au   T_jup = 3.380  [ hide covariance matrix ] Orbital Elements at Epoch 2457617.5 (2016-Aug-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .01999219698885644 4.9845e-08   q 2.615844761264719 1.3664e-07 au tp 2458315.663970119084 (2018-Jul-16.16397012) 0.0005738 TDB node 112.961401359023 9.2958e-05 deg peri 71.13157410955975 0.00015772 deg i 3.234379989077071 4.4629e-06 deg   Orbit Determination Parameters    # obs. used (total)      358      data-arc span      6717 days (18.39 yr)      first obs. used      2002-07-18      last obs. used      2020-12-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55982      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 23:40:12   Additional Information  Jupiter MOID = 2.23087 au   T_jup = 3.380  Orbit Covariance (6×6)   e q tp node peri i e 2.48454397515516E-15 -6.723411763453176E-15 -2.58779565020196E-12 5.723876220298767E-15 -5.858109346468201E-13 8.553371395881971E-16 q -6.723411763453176E-15 1.867168255073675E-14 1.348027257369532E-11 -1.479470540485095E-14 2.987089236887876E-12 -1.956418905626365E-15 tp -2.58779565020196E-12 1.348027257369532E-11 3.292452634323016E-7 -9.316645908461365E-11 7.314229866244956E-8 6.761619384885973E-12 node 5.723876220298767E-15 -1.479470540485095E-14 -9.316645908461365E-11 8.641159645919721E-9 -8.648037098606428E-9 8.920224546170113E-11 peri -5.858109346468201E-13 2.987089236887876E-12 7.314229866244956E-8 -8.648037098606428E-9 2.487714671623131E-8 -8.758271091874848E-11 i 8.553371395881971E-16 -1.956418905626365E-15 6.761619384885973E-12 8.920224546170113E-11 -8.758271091874848E-11 1.991788951083442E-11 [ 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 16.41   n/a MPCxxxxx   212816 (2007 TM436)          Discovered 2007-Oct-07 by LONEOS at Anderson Mesa Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ show close-approach data ] Alternate Designations  2007 TM436 = 2008 YE100  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-16 10:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin