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JPL Small-Body Database Browser
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266864 (2009 UE138)
Classification: Main-belt Asteroid          SPK-ID: 2266864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050824082651064 5.3487e-08  
a 2.973213236565265 3.2513e-08 au
q 2.660780829381295 1.6006e-07 au
i 3.538438722330962 5.5992e-06 deg
node 211.0469775548667 7.7399e-05 deg
peri 169.6946487950644 8.1131e-05 deg
M 330.3767979621324 2.2306e-05 deg
tp 2458754.587359526041
(2019-Sep-28.08735953)
0.00011576 TDB
period 1872.567636627036
5.13
3.0716e-05
8.41e-08
d
yr
n .1922493975429642 3.1535e-09 deg/d
Q 3.285645643749235 3.593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7733 days (21.17 yr)  
   first obs. used      1998-08-25  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:53  

Additional Information
 Earth MOID = 1.66275 au 
 Jupiter MOID = 2.16495 au 
 T_jup = 3.251 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO321417  

266864 (2009 UE138)          Discovered 2009-Oct-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UE138 = 2007 HS34 = 2008 OU12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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