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266501 (2008 EN11)
Classification: Main-belt Asteroid          SPK-ID: 2266501
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922213986482359 6.6507e-08  
a 2.39166784996216 2.3676e-08 au
q 1.931938110740414 1.6761e-07 au
i 5.851708889085669 6.0613e-06 deg
node 106.5665239007186 6.5179e-05 deg
peri 190.3983609381222 7.008e-05 deg
M 7.358825732580698 3.8994e-05 deg
tp 2458972.884319926738
(2020-May-03.38431993)
0.00014601 TDB
period 1350.982505586211
3.70
2.0061e-05
5.492e-08
d
yr
n .2664727326308276 3.9568e-09 deg/d
Q 2.851397589183906 2.8227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:44:59  

Additional Information
 Earth MOID = .916347 au 
 Jupiter MOID = 2.35547 au 
 T_jup = 3.499 
[ 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 17.0   n/a MPO433730  

266501 (2008 EN11)          Discovered 2008-Mar-01 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 EN11 = 2009 SH337 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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