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216874 (2008 EC6)
Classification: Main-belt Asteroid          SPK-ID: 2216874
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020456518979277 5.6261e-08  
a 2.769627572878268 2.5381e-08 au
q 2.602883349115471 1.67e-07 au
i 7.833378702551659 5.5393e-06 deg
node 102.7984461940838 3.5062e-05 deg
peri 324.9385567490395 6.7175e-05 deg
M 358.3140308242369 5.235e-05 deg
tp 2459208.384562816671
(2020-Dec-24.88456282)
0.00024479 TDB
period 1683.567324246535
4.61
2.3142e-05
6.336e-08
d
yr
n .2138316625746551 2.9393e-09 deg/d
Q 2.936371796641065 2.6909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      6657 days (18.23 yr)  
   first obs. used      2002-12-31  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:42:06  

Additional Information
 Earth MOID = 1.62132 au 
 Jupiter MOID = 2.24787 au 
 T_jup = 3.322 
[ 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 16.34   n/a MPCxxxxx  

216874 (2008 EC6)          Discovered 2008-Mar-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2008 EC6 = 2002 YA28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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