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117697 (2005 EA287)
Classification: Main-belt Asteroid          SPK-ID: 2117697
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04743956976929194 6.9248e-08  
a 2.871481279477202 2.1678e-08 au
q 2.735259442978228 1.9577e-07 au
i 9.765218674929017 7.6366e-06 deg
node 42.04119270930443 2.2808e-05 deg
peri 184.9079679438084 4.9042e-05 deg
M 14.31624759905406 4.1709e-05 deg
tp 2458929.822022904876
(2020-Mar-21.32202291)
0.00020605 TDB
period 1777.286371879016
4.87
2.0127e-05
5.51e-08
d
yr
n .202555989679589 2.2938e-09 deg/d
Q 3.007703115976176 2.2707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7406 days (20.28 yr)  
   first obs. used      2000-03-12  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:00:26  

Additional Information
 Earth MOID = 1.72583 au 
 Jupiter MOID = 1.96443 au 
 T_jup = 3.275 
[ 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 15.4   n/a MPO432681  

117697 (2005 EA287)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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