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146941 (2002 EC5)
Classification: Main-belt Asteroid          SPK-ID: 2146941
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198045730583262 4.8128e-08  
a 3.197844091886375 2.4663e-08 au
q 2.814727745750837 1.5098e-07 au
i 1.287046305809985 6.9608e-06 deg
node 20.83817053346433 0.00021443 deg
peri 69.97703957418054 0.00021651 deg
M 133.1726924054675 2.8207e-05 deg
tp 2458227.824688938813
(2018-Apr-19.32468894)
0.00016243 TDB
period 2088.739868193932
5.72
2.4163e-05
6.615e-08
d
yr
n .1723527211223678 1.9939e-09 deg/d
Q 3.580960438021913 2.7617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      9325 days (25.53 yr)  
   first obs. used      1994-10-13  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:57:55  

Additional Information
 Earth MOID = 1.83165 au 
 Jupiter MOID = 1.60102 au 
 T_jup = 3.183 
[ 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 MPO436738  

146941 (2002 EC5)          Discovered 2002-Mar-10 by Asiago-DLR Asteroid Survey at Cima Ekar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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