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JPL Small-Body Database Browser
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266522 (2008 EJ166)
Classification: Main-belt Asteroid          SPK-ID: 2266522
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455068866374534 4.4899e-08  
a 2.273641892295799 1.4426e-08 au
q 1.94281133921935 9.8137e-08 au
i 6.928188549796681 5.843e-06 deg
node 171.4051149133672 4.2722e-05 deg
peri 137.3735836766021 5.1931e-05 deg
M 357.517349077028 2.6651e-05 deg
tp 2458609.135642981044
(2019-May-05.63564298)
9.2725e-05 TDB
period 1252.222551471021
3.43
1.1918e-05
3.263e-08
d
yr
n .2874888330170208 2.7361e-09 deg/d
Q 2.604472445372249 1.6525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      6225 days (17.04 yr)  
   first obs. used      2002-10-11  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:07  

Additional Information
 Earth MOID = .934408 au 
 Jupiter MOID = 2.65512 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO437227  

266522 (2008 EJ166)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 EJ166 = 2005 NE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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