+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487852 (2015 TA104) Classification: Main-belt Asteroid          SPK-ID: 2487852 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2387559580519756 3.9604e-08   a 2.363218821947298 2.6111e-08 au q 1.79898624802681 9.0619e-08 au i 7.663494388593048 4.0375e-06 deg node 147.750822989406 5.322e-05 deg peri 194.7454885740369 5.5013e-05 deg M 136.7746815759342 1.9091e-05 deg tp 2458496.352585950396 (2019-Jan-12.85258595) 6.5052e-05 TDB period 1326.949307917756 3.63 2.1992e-05 6.021e-08 d yr n .2712989847102076 4.4964e-09 deg/d Q 2.927451395867787 3.2345e-08 au   Orbit Determination Parameters    # obs. used (total)      119      data-arc span      4640 days (12.70 yr)      first obs. used      2007-05-13      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62542      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 15:28:59   Additional Information  Earth MOID = .791799 au   Jupiter MOID = 2.481 au   T_jup = 3.499  [ hide covariance matrix ] Orbital Elements at Epoch 2457243.5 (2015-Aug-09.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2401629264425727 3.979e-08   q 1.795017325360994 9.1088e-08 au tp 2457169.021215385088 (2015-May-26.52121539) 5.3978e-05 TDB node 147.8356744516282 5.3153e-05 deg peri 194.5298340570083 5.4907e-05 deg i 7.669729906442521 4.0415e-06 deg   Orbit Determination Parameters    # obs. used (total)      119      data-arc span      4640 days (12.70 yr)      first obs. used      2007-05-13      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62542      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 15:28:59   Additional Information  Jupiter MOID = 2.481 au   T_jup = 3.499  Orbit Covariance (6×6)   e q tp node peri i e 1.583229758101277E-15 -3.543654725957218E-15 6.463141570641094E-13 5.167360309009742E-15 1.202374992202788E-13 -4.181528630527889E-15 q -3.543654725957218E-15 8.296943363548312E-15 -1.19382284408516E-12 4.225021159601792E-15 -2.030784435298279E-13 9.390542274430448E-15 tp 6.463141570641094E-13 -1.19382284408516E-12 2.913586437936143E-9 7.045617603706918E-11 8.114920537693717E-10 -1.383557497249688E-11 node 5.167360309009742E-15 4.225021159601792E-15 7.045617603706918E-11 2.825201199477997E-9 -2.778302116031709E-9 1.753887838139455E-13 peri 1.202374992202788E-13 -2.030784435298279E-13 8.114920537693717E-10 -2.778302116031709E-9 3.014759281618157E-9 -4.272029781911847E-12 i -4.181528630527889E-15 9.390542274430448E-15 -1.383557497249688E-11 1.753887838139455E-13 -4.272029781911847E-12 1.633369326797459E-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 17.5   n/a MPO456352   487852 (2015 TA104)          Discovered 2011-Jul-24 by OAM at La Sagra Reference: Last Updated: 2017-03-14 Alternate Designations  2015 TA104 = 2011 OK4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 18:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin