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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393529949021611 9.1534e-08  
a 3.018437615556818 4.7349e-08 au
q 2.597809293903637 2.9892e-07 au
i 4.551161612672611 8.26e-06 deg
node 78.20511360365744 8.7714e-05 deg
peri 273.4924020073958 9.2728e-05 deg
M 251.7246291164785 2.917e-05 deg
tp 2459176.601376214840
(2020-Nov-23.10137621)
0.00015933 TDB
period 1915.454029342015
5.24
4.507e-05
1.234e-07
d
yr
n .1879449960611505 4.4223e-09 deg/d
Q 3.439065937209998 5.3947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   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      .55107  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:37:03  

Additional Information
 Earth MOID = 1.59644 au 
 Jupiter MOID = 1.99946 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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