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JPL Small-Body Database Browser
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392658 (2011 US226)
Classification: Main-belt Asteroid          SPK-ID: 2392658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06271156327669751 6.5759e-08  
a 2.771405129926395 5.0751e-08 au
q 2.597605981755652 1.85e-07 au
i 6.066128307684163 7.2936e-06 deg
node 45.11655461398087 6.1763e-05 deg
peri 324.4578784252268 8.0782e-05 deg
M 327.1589182355107 5.4425e-05 deg
tp 2459154.231691226450
(2020-Oct-31.73169123)
0.00025575 TDB
period 1685.188363720845
4.61
4.629e-05
1.267e-07
d
yr
n .2136259706927544 5.868e-09 deg/d
Q 2.945204278097138 5.3934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5615 days (15.37 yr)  
   first obs. used      2002-11-04  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:31:34  

Additional Information
 Earth MOID = 1.60037 au 
 Jupiter MOID = 2.35721 au 
 T_jup = 3.326 
[ 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 16.2   n/a MPO437608  

392658 (2011 US226)          Discovered 2011-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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