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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201620019792778 4.8153e-08  
a 3.197712692868638 2.6488e-08 au
q 2.813469133938995 1.5146e-07 au
i 1.287101790567966 7.1416e-06 deg
node 20.84026325066256 0.00023166 deg
peri 69.99610210016557 0.00023428 deg
M 64.16706547968552 3.1323e-05 deg
tp 2458228.222091201589
(2018-Apr-19.72209120)
0.000182 TDB
period 2088.611130422616
5.72
2.5951e-05
7.105e-08
d
yr
n .1723633445959643 2.1416e-09 deg/d
Q 3.581956251798281 2.9671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8935 days (24.46 yr)  
   first obs. used      1994-10-13  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:12:33  

Additional Information
 Earth MOID = 1.83042 au 
 Jupiter MOID = 1.60122 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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