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175157 (2005 EC61)
Classification: Main-belt Asteroid          SPK-ID: 2175157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05933716924423009 3.7439e-08  
a 2.205758111245668 9.6735e-09 au
q 2.074874668886851 8.0627e-08 au
i 3.996337268084922 4.3164e-06 deg
node 247.9316740462794 6.8608e-05 deg
peri 174.3655803655696 8.1921e-05 deg
M 36.204766317164 4.434e-05 deg
tp 2459080.163187905083
(2020-Aug-18.66318791)
0.00014734 TDB
period 1196.562131479148
3.28
7.8714e-06
2.155e-08
d
yr
n .3008619364838002 1.9792e-09 deg/d
Q 2.336641553604486 1.0247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7366 days (20.17 yr)  
   first obs. used      2000-11-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:32:36  

Additional Information
 Earth MOID = 1.08706 au 
 Jupiter MOID = 2.82363 au 
 T_jup = 3.656 
[ 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 17.1   n/a MPO234112  

175157 (2005 EC61)          Discovered 2005-Mar-04 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2005 EC61 = 2000 WE189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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