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305857 (2009 EA16)
Classification: Main-belt Asteroid          SPK-ID: 2305857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434117619759683 4.6421e-08  
a 2.466935240802163 1.8595e-08 au
q 2.113147711238115 1.1739e-07 au
i 1.933662816865637 1.0877e-05 deg
node 45.51342911506759 0.00015074 deg
peri 62.36104923098821 0.00016242 deg
M 8.800594393229428 5.313e-05 deg
tp 2458965.902512977778
(2020-Apr-26.40251298)
0.00020892 TDB
period 1415.256148787163
3.87
1.6002e-05
4.381e-08
d
yr
n .2543709139214908 2.8761e-09 deg/d
Q 2.82072277036621 2.1262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5425 days (14.85 yr)  
   first obs. used      2005-03-16  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:05  

Additional Information
 Earth MOID = 1.13075 au 
 Jupiter MOID = 2.29295 au 
 T_jup = 3.471 
[ 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 17.6   n/a MPO413265  

305857 (2009 EA16)          Discovered 2009-Mar-15 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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