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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08058507463195143 5.2146e-08  
a 3.060344458574062 4.6006e-08 au
q 2.813726371980392 1.6162e-07 au
i 11.30645261359615 6.8844e-06 deg
node 61.87658203934085 2.767e-05 deg
peri 293.5253309988381 5.0956e-05 deg
M 271.0218088414932 4.6627e-05 deg
tp 2459483.820221678789
(2021-Sep-26.32022168)
0.00025859 TDB
period 1955.482321442194
5.35
4.4095e-05
1.207e-07
d
yr
n .1840978034178777 4.1513e-09 deg/d
Q 3.306962545167731 4.9714e-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 = 1.83476 au 
 Jupiter MOID = 2.08762 au 
 T_jup = 3.199 
[ 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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