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344611 (2003 EC57)
Classification: Main-belt Asteroid          SPK-ID: 2344611
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676857532038373 4.8306e-08  
a 3.053261073255706 3.0502e-08 au
q 2.235946583133296 1.5295e-07 au
i 19.11141563814353 5.7889e-06 deg
node 129.7434503782309 2.6121e-05 deg
peri 354.2996375104988 3.2339e-05 deg
M 124.6984547411731 2.0222e-05 deg
tp 2458325.501342454469
(2018-Jul-26.00134245)
0.00010265 TDB
period 1948.697096694314
5.34
2.9201e-05
7.995e-08
d
yr
n .1847388188809274 2.7683e-09 deg/d
Q 3.870575563378116 3.8667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      5957 days (16.31 yr)  
   first obs. used      2003-03-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:08  

Additional Information
 Earth MOID = 1.25201 au 
 Jupiter MOID = 1.21771 au 
 T_jup = 3.099 
[ 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 15.7   n/a MPO300433  

344611 (2003 EC57)          Discovered 2003-Mar-09 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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