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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454037294508552 4.3006e-08  
a 2.274116360644582 1.3964e-08 au
q 1.943451360601654 9.2768e-08 au
i 6.928141629381723 4.6982e-06 deg
node 171.3922577421559 3.3931e-05 deg
peri 137.5276951801293 3.8462e-05 deg
M 169.8514351891431 1.9592e-05 deg
tp 2458609.504504247134
(2019-May-06.00450425)
6.4999e-05 TDB
period 1252.614546554218
3.43
1.1537e-05
3.159e-08
d
yr
n .2873988658285295 2.6471e-09 deg/d
Q 2.604781360687511 1.5994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2002-10-11  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:22:33  

Additional Information
 Earth MOID = .933887 au 
 Jupiter MOID = 2.65618 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 16.67   n/a MPCxxxxx  

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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