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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06382511876319041 6.5904e-08  
a 2.773761755093452 4.9932e-08 au
q 2.596726081653816 1.8563e-07 au
i 6.071663916190269 7.2992e-06 deg
node 45.18880099740872 6.1638e-05 deg
peri 323.7230796412649 8.0033e-05 deg
M 242.5370380089399 5.2937e-05 deg
tp 2459151.054868908435
(2020-Oct-28.55486891)
0.00025147 TDB
period 1687.338284744781
4.62
4.5562e-05
1.247e-07
d
yr
n .2133537792953308 5.761e-09 deg/d
Q 2.950797428533087 5.3119e-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 = 1.59859 au 
 Jupiter MOID = 2.35835 au 
 T_jup = 3.325 
[ 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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