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117552 (2005 EC11)
Classification: Main-belt Asteroid          SPK-ID: 2117552
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 .1754346160103344 4.2917e-08  
a 2.399208326413433 1.0272e-08 au
q 1.978304134940296 1.0088e-07 au
i 1.958030156950811 3.1278e-06 deg
node 275.9309214318808 0.00014069 deg
peri 278.0293096496663 0.00014116 deg
M 16.16158441159266 9.7361e-06 deg
tp 2458939.562897384045
(2020-Mar-31.06289738)
3.682e-05 TDB
period 1357.376627381164
3.72
8.7171e-06
2.387e-08
d
yr
n .2652174737195535 1.7032e-09 deg/d
Q 2.820112517886571 1.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      7103 days (19.45 yr)  
   first obs. used      2000-12-30  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:50:30  

Additional Information
 Earth MOID = .978656 au 
 Jupiter MOID = 2.14509 au 
 T_jup = 3.505 
[ 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 16.4   n/a MPO426742  

117552 (2005 EC11)          Discovered 2005-Mar-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EC11 = 2001 BH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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