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266863 (2009 UH133)
Classification: Main-belt Asteroid          SPK-ID: 2266863
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152140998783562 6.7299e-08  
a 2.997600234292721 3.1907e-08 au
q 2.652234421503535 1.9996e-07 au
i 10.07014374368757 7.5728e-06 deg
node 329.198838019975 3.526e-05 deg
peri 336.7321036004982 5.4461e-05 deg
M 99.81513457867521 4.428e-05 deg
tp 2458474.902980505683
(2018-Dec-22.40298051)
0.00023287 TDB
period 1895.653678338862
5.19
3.0267e-05
8.287e-08
d
yr
n .189908106166029 3.0321e-09 deg/d
Q 3.342966047081906 3.5583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1998-09-30  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60213  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:53  

Additional Information
 Earth MOID = 1.64107 au 
 Jupiter MOID = 1.95226 au 
 T_jup = 3.221 
[ 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 15.6   n/a MPO494442  

266863 (2009 UH133)          Discovered 2009-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UH133 = 2005 YY273 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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