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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683786495602202 4.9161e-08  
a 3.048266822660993 3.1177e-08 au
q 2.230177089296012 1.5655e-07 au
i 19.10097668979663 5.8322e-06 deg
node 129.798175038409 2.6236e-05 deg
peri 353.9041855762757 3.2372e-05 deg
M 51.04088831280513 1.9531e-05 deg
tp 2458324.890857937883
(2018-Jul-25.39085794)
0.00010275 TDB
period 1943.917796537838
5.32
2.9823e-05
8.165e-08
d
yr
n .1851930162073562 2.8412e-09 deg/d
Q 3.866356556025973 3.9545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   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      .56011  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:53  

Additional Information
 Earth MOID = 1.24672 au 
 Jupiter MOID = 1.2244 au 
 T_jup = 3.100 
[ 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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