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117564 (2005 EW26)
Classification: Main-belt Asteroid          SPK-ID: 2117564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04045895383390769 3.8018e-08  
a 2.677412304512726 2.1421e-08 au
q 2.569087003690109 1.0415e-07 au
i 2.359958689438945 6.4734e-06 deg
node 357.7279607093726 0.0001086 deg
peri 245.2515430944678 0.00013838 deg
M 101.2943047769958 8.3963e-05 deg
tp 2458550.249880712255
(2019-Mar-07.74988071)
0.00037358 TDB
period 1600.189105403677
4.38
1.9203e-05
5.257e-08
d
yr
n .2249734101952803 2.6999e-09 deg/d
Q 2.785737605335343 2.2287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      1998-09-02  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:40:16  

Additional Information
 Earth MOID = 1.55708 au 
 Jupiter MOID = 2.20344 au 
 T_jup = 3.376 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0392129574304654 3.7871e-08  
q 2.572785021505217 1.0381e-07 au
tp 2456958.451989811497
(2014-Oct-27.95198981)
0.00038853 TDB
node 357.8696996103211 0.00010852 deg
peri 247.3399921860719 0.00014006 deg
i 2.361302068441517 6.4729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      1998-09-02  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56814  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:40:16  

Additional Information
 Jupiter MOID = 2.20344 au 
 T_jup = 3.376 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.434216030251941E-15 -3.8537715347493E-15 -1.330422494154827E-12 -1.085978064282855E-15 -2.999543739621499E-13 1.602177042525335E-16
q -3.8537715347493E-15 1.077753990399846E-14 2.428301150196013E-12 4.554042767529777E-15 5.337936584527879E-13 -2.593115714139857E-17
tp -1.330422494154827E-12 2.428301150196013E-12 1.509536205472521E-7 -1.57108103445101E-10 3.442262415836142E-8 -5.884600171611494E-12
node -1.085978064282855E-15 4.554042767529777E-15 -1.57108103445101E-10 1.177578358835367E-8 -1.180084803484642E-8 -1.500711718901431E-10
peri -2.999543739621499E-13 5.337936584527879E-13 3.442262415836142E-8 -1.180084803484642E-8 1.961763692072108E-8 1.486188630877697E-10
i 1.602177042525335E-16 -2.593115714139857E-17 -5.884600171611494E-12 -1.500711718901431E-10 1.486188630877697E-10 4.189818817137566E-11

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 MPO436564  

117564 (2005 EW26)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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