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312395 (2008 EQ166)
Classification: Main-belt Asteroid          SPK-ID: 2312395
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037360595657796 5.1379e-08  
a 2.80995968014796 3.0276e-08 au
q 2.518465535390692 1.4101e-07 au
i 10.00231469248419 5.7608e-06 deg
node 94.80090573039442 3.0345e-05 deg
peri 36.42261184712964 4.1154e-05 deg
M 251.0694253771626 3.0929e-05 deg
tp 2459521.090037934682
(2021-Nov-02.59003793)
0.00015216 TDB
period 1720.475764544387
4.71
2.7806e-05
7.613e-08
d
yr
n .2092444470412721 3.3818e-09 deg/d
Q 3.101453824905227 3.3417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6544 days (17.92 yr)  
   first obs. used      2001-09-21  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:56  

Additional Information
 Earth MOID = 1.54136 au 
 Jupiter MOID = 1.9944 au 
 T_jup = 3.291 
[ 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 16.0   n/a MPO455302  

312395 (2008 EQ166)          Discovered 2008-Mar-06 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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