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JPL Small-Body Database Browser
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392661 (2011 UO255)
Classification: Main-belt Asteroid          SPK-ID: 2392661
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08091405965033462 5.213e-08  
a 3.057597042151672 4.6684e-08 au
q 2.810194452696325 1.6089e-07 au
i 11.31104445351715 6.8872e-06 deg
node 61.87559715712701 2.7661e-05 deg
peri 294.1660578742833 5.0764e-05 deg
M 196.6572347094855 4.5632e-05 deg
tp 2459486.566269184887
(2021-Sep-29.06626918)
0.00025704 TDB
period 1952.849618648419
5.35
4.4725e-05
1.225e-07
d
yr
n .1843459919095862 4.222e-09 deg/d
Q 3.304999631607019 5.0462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      5900 days (16.15 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:06  

Additional Information
 Earth MOID = 1.83034 au 
 Jupiter MOID = 2.09273 au 
 T_jup = 3.200 
[ 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 15.7   n/a MPO437608  

392661 (2011 UO255)          Discovered 2009-Apr-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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