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46703 (1997 EC)
Classification: Main-belt Asteroid          SPK-ID: 2046703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1264119457001187 2.7444e-08  
a 2.285091063267494 6.7679e-09 au
q 1.996228255857897 6.3861e-08 au
i 6.493378734087805 3.6696e-06 deg
node 133.230775707789 2.6157e-05 deg
peri 252.5183438012465 2.9925e-05 deg
M 89.87525064503176 1.4312e-05 deg
tp 2458885.513958632644
(2020-Feb-06.01395863)
5.0088e-05 TDB
period 1261.693003117278
3.45
5.6052e-06
1.535e-08
d
yr
n .2853308999182402 1.2676e-09 deg/d
Q 2.573953870677091 7.6234e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      8786 days (24.05 yr)  
   first obs. used      1997-03-01  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:05  

Additional Information
 Earth MOID = 1.00961 au 
 Jupiter MOID = 2.87766 au 
 T_jup = 3.583 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.03   n/a MPCxxxxx  

46703 (1997 EC)          Discovered 1997-Mar-01 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EC = 2000 AG83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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