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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 ]
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