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266943 (2010 TH2)
Classification: Main-belt Asteroid          SPK-ID: 2266943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1378591014064474 9.1417e-08  
a 3.019263896494655 4.8315e-08 au
q 2.603030888814973 2.9874e-07 au
i 4.547295368321652 8.2371e-06 deg
node 78.19121641919918 8.6278e-05 deg
peri 273.1629769565235 9.142e-05 deg
M 327.051399883518 2.9887e-05 deg
tp 2459175.881792461577
(2020-Nov-22.38179246)
0.00016054 TDB
period 1916.240600904445
5.25
4.5996e-05
1.259e-07
d
yr
n .1878678490739022 4.5095e-09 deg/d
Q 3.435496904174338 5.4976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      4994 days (13.67 yr)  
   first obs. used      2005-10-22  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:51:05  

Additional Information
 Earth MOID = 1.60245 au 
 Jupiter MOID = 2.0048 au 
 T_jup = 3.228 
[ show covariance matrix ]

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 15.9   n/a MPO440312  

266943 (2010 TH2)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2010 TH2 = 2005 UO108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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