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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433716720414614 4.7701e-08  
a 2.466408947540093 3.1267e-08 au
q 2.112795772793248 1.1808e-07 au
i 1.933924259351925 1.8875e-05 deg
node 45.51535784141964 0.0003245 deg
peri 62.46657511480186 0.00033783 deg
M 266.9434778651745 9.5091e-05 deg
tp 2458966.212979617983
(2020-Apr-26.71297962)
0.000378 TDB
period 1414.803279148155
3.87
2.6903e-05
7.366e-08
d
yr
n .254452336452566 4.8385e-09 deg/d
Q 2.820022122286937 3.5749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4432 days (12.13 yr)  
   first obs. used      2005-03-16  
   last obs. used      2017-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68771  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:24:04  

Additional Information
 Earth MOID = 1.13061 au 
 Jupiter MOID = 2.29459 au 
 T_jup = 3.472 
[ 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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