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266387 (2007 EN131)
Classification: Main-belt Asteroid          SPK-ID: 2266387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06055408557050671 6.9457e-08  
a 2.630461880199515 2.5972e-08 au
q 2.471176666415958 1.8708e-07 au
i 5.094327905276778 8.1023e-06 deg
node 176.2659509752189 8.0148e-05 deg
peri 283.1787439703324 0.00010561 deg
M 107.9100951450852 6.9203e-05 deg
tp 2458533.404137510275
(2019-Feb-18.90413751)
0.00029761 TDB
period 1558.283404997625
4.27
2.3078e-05
6.318e-08
d
yr
n .2310234446734346 3.4215e-09 deg/d
Q 2.789747093983072 2.7544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2000-08-25  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:23:47  

Additional Information
 Earth MOID = 1.49413 au 
 Jupiter MOID = 2.29489 au 
 T_jup = 3.392 
[ 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 17.1   n/a MPO427480  

266387 (2007 EN131)          Discovered 2007-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 EN131 = 2000 QG239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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