+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136395 (2004 TO212) Classification: Main-belt Asteroid          SPK-ID: 2136395 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2327650794625256 3.8229e-08   a 2.348061488263686 1.3384e-08 au q 1.801514769365093 8.9806e-08 au i 2.092254371525084 4.3787e-06 deg node 182.3966172672287 0.00010728 deg peri 152.8848729990046 0.00010769 deg M 158.0145397812521 1.262e-05 deg tp 2458423.657600159025 (2018-Nov-01.15760016) 4.2265e-05 TDB period 1314.203517158802 3.60 1.1237e-05 3.077e-08 d yr n .2739301754254088 2.3421e-09 deg/d Q 2.894608207162279 1.6499e-08 au   Orbit Determination Parameters    # obs. used (total)      481      data-arc span      9679 days (26.50 yr)      first obs. used      1993-08-15      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51054      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:53:02   Additional Information  Earth MOID = .792125 au   Jupiter MOID = 2.49133 au   T_jup = 3.522  [ hide covariance matrix ] Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2340826843831932 3.8345e-08   q 1.797680185557771 9.0163e-08 au tp 2457109.167574389450 (2015-Mar-27.66757439) 3.4267e-05 TDB node 182.4307526184827 0.00010732 deg peri 152.7859961263121 0.00010772 deg i 2.091106570287645 4.3821e-06 deg   Orbit Determination Parameters    # obs. used (total)      481      data-arc span      9679 days (26.50 yr)      first obs. used      1993-08-15      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51054      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:53:02   Additional Information  Jupiter MOID = 2.49133 au   T_jup = 3.522  Orbit Covariance (6×6)   e q tp node peri i e 1.470330723154656E-15 -3.435165851273562E-15 1.208873210493186E-13 -2.217613598105782E-14 4.925290944525651E-14 -1.516201127691949E-16 q -3.435165851273562E-15 8.129288593660521E-15 -7.696647209512989E-14 5.150600818105407E-14 -7.081987561672957E-14 3.907445819818945E-16 tp 1.208873210493186E-13 -7.696647209512989E-14 1.174221563541631E-9 -8.453647989835793E-12 3.271430244190334E-10 -1.05238272199106E-13 node -2.217613598105782E-14 5.150600818105407E-14 -8.453647989835793E-12 1.151784380513149E-8 -1.151208561277993E-8 -2.322061365041037E-11 peri 4.925290944525651E-14 -7.081987561672957E-14 3.271430244190334E-10 -1.151208561277993E-8 1.160387634206998E-8 2.317607021878561E-11 i -1.516201127691949E-16 3.907445819818945E-16 -1.05238272199106E-13 -2.322061365041037E-11 2.317607021878561E-11 1.920296211486407E-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 16.7   n/a MPO453847   136395 (2004 TO212)          Discovered 2004-Oct-08 by Spacewatch at Kitt Peak Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ show close-approach data ] Alternate Designations  2004 TO212 = 1993 PG8 = 2003 HZ34  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 07:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin