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JPL Small-Body Database Browser
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266866 (2009 UX138)
Classification: Main-belt Asteroid          SPK-ID: 2266866
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 .03665930216481811 5.7644e-08  
a 3.046163138579101 4.0069e-08 au
q 2.934492923638599 1.9925e-07 au
i 3.816934733792128 4.879e-06 deg
node 83.43342263640027 0.00013761 deg
peri 344.7349736170038 0.00018705 deg
M 256.1947712000124 0.00012679 deg
tp 2459160.444384752861
(2020-Nov-06.94438475)
0.0006869 TDB
period 1941.905825374512
5.32
3.8316e-05
1.049e-07
d
yr
n .1853848911187911 3.6578e-09 deg/d
Q 3.157833353519603 4.1538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:53  

Additional Information
 Earth MOID = 1.94837 au 
 Jupiter MOID = 1.96128 au 
 T_jup = 3.234 
[ 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 15.8   n/a MPO407960  

266866 (2009 UX138)          Discovered 2009-Oct-26 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 UX138 = 2006 BB187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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