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JPL Small-Body Database Browser
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312891 (2011 UB266)
Classification: Main-belt Asteroid          SPK-ID: 2312891
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06906498787392883 6.1588e-08  
a 2.784049698359954 3.972e-08 au
q 2.591769339702309 1.8419e-07 au
i 7.417579304052367 8.1483e-06 deg
node 66.98319821909193 6.0393e-05 deg
peri 249.5419655789842 9.1353e-05 deg
M 314.7248744971087 7.0629e-05 deg
tp 2458813.888526452923
(2019-Nov-26.38852645)
0.00033398 TDB
period 1696.734546172525
4.65
3.6311e-05
9.941e-08
d
yr
n .2121722580659916 4.5406e-09 deg/d
Q 2.9763300570176 4.2464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6528 days (17.87 yr)  
   first obs. used      2000-05-28  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:49  

Additional Information
 Earth MOID = 1.58866 au 
 Jupiter MOID = 2.21002 au 
 T_jup = 3.316 
[ 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 16.3   n/a MPO437380  

312891 (2011 UB266)          Discovered 2000-May-28 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 UB266 = 2000 KL44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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