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359666 (2011 SN91)
Classification: Main-belt Asteroid          SPK-ID: 2359666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592059699865226 6.5456e-08  
a 2.597546023654473 2.8548e-08 au
q 2.184001189373927 1.8331e-07 au
i 5.937505997011283 6.9031e-06 deg
node 356.4647829059067 3.5993e-05 deg
peri 24.08359162095487 4.0936e-05 deg
M 28.71007653764587 1.9597e-05 deg
tp 2458878.551867727847
(2020-Jan-30.05186773)
8.2239e-05 TDB
period 1529.126108751745
4.19
2.5209e-05
6.902e-08
d
yr
n .2354285875701089 3.8812e-09 deg/d
Q 3.011090857935018 3.3094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      4338 days (11.88 yr)  
   first obs. used      2007-12-16  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:17:39  

Additional Information
 Earth MOID = 1.18775 au 
 Jupiter MOID = 2.46333 au 
 T_jup = 3.391 
[ 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 16.6   n/a MPO455596  

359666 (2011 SN91)          Discovered 2009-Mar-03 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 SN91 = 2009 FU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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