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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756032689606528 4.825e-08  
a 2.399716088318831 1.3464e-08 au
q 1.978318098632573 1.1737e-07 au
i 1.957979257662808 4.6358e-06 deg
node 275.9302625979101 0.00016298 deg
peri 277.9733715279544 0.00016372 deg
M 270.1475569913204 1.7282e-05 deg
tp 2458939.395350469096
(2020-Mar-30.89535047)
6.632e-05 TDB
period 1357.807557409311
3.72
1.1428e-05
3.129e-08
d
yr
n .2651333011335406 2.2314e-09 deg/d
Q 2.821114078005088 1.5829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      6881 days (18.84 yr)  
   first obs. used      2000-12-30  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:01:27  

Additional Information
 Earth MOID = .979041 au 
 Jupiter MOID = 2.14528 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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