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117684 (2005 EL246)
Classification: Main-belt Asteroid          SPK-ID: 2117684
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897185969011773 4.7955e-08  
a 2.332896444410299 1.4188e-08 au
q 1.890302604261031 1.1252e-07 au
i 2.557217608141128 8.8674e-06 deg
node 9.125675007770861 0.00014403 deg
peri 232.7832029050678 0.00014681 deg
M 51.19405251587958 3.2709e-05 deg
tp 2458815.420367907260
(2019-Nov-27.92036791)
0.00011724 TDB
period 1301.49234684477
3.56
1.1873e-05
3.251e-08
d
yr
n .2766055450673636 2.5234e-09 deg/d
Q 2.775490284559566 1.688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:00:08  

Additional Information
 Earth MOID = .878997 au 
 Jupiter MOID = 2.24557 au 
 T_jup = 3.544 
[ 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 17.2   n/a MPO273152  

117684 (2005 EL246)          Discovered 2005-Mar-12 by Spacewatch at Kitt Peak
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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