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266506 (2008 EF41)
Classification: Main-belt Asteroid          SPK-ID: 2266506
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397977001593352 7.1216e-08  
a 2.31795671939251 1.8498e-08 au
q 1.993911700952559 1.5893e-07 au
i 4.126778452876819 5.8489e-06 deg
node 290.64656345451 9.0699e-05 deg
peri 99.98106357474815 9.3212e-05 deg
M 313.9188659204998 2.575e-05 deg
tp 2459165.497387855219
(2020-Nov-11.99738786)
9.3479e-05 TDB
period 1289.010368655474
3.53
1.543e-05
4.225e-08
d
yr
n .2792840218775778 3.3431e-09 deg/d
Q 2.64200173783246 2.1084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8736 days (23.92 yr)  
   first obs. used      1995-07-02  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:36  

Additional Information
 Earth MOID = 1.00436 au 
 Jupiter MOID = 2.79199 au 
 T_jup = 3.563 
[ 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 17.1   n/a MPO232382  

266506 (2008 EF41)          Discovered 2008-Mar-04 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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