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JPL Small-Body Database Browser
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441791 (2009 EC16)
Classification: Main-belt Asteroid          SPK-ID: 2441791
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088095338107355 7.6342e-08  
a 2.686756647810072 5.0699e-08 au
q 2.394411909498964 2.31e-07 au
i 3.917208274911427 8.285e-06 deg
node 18.98129245698279 0.00011129 deg
peri 106.5924111680389 0.00011828 deg
M 230.1152733506417 4.7319e-05 deg
tp 2459580.858713050310
(2022-Jan-01.35871305)
0.00022175 TDB
period 1608.573556628753
4.40
4.5531e-05
1.247e-07
d
yr
n .223800769642445 6.3347e-09 deg/d
Q 2.97910138612118 5.6216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4256 days (11.65 yr)  
   first obs. used      2005-04-12  
   last obs. used      2016-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65572  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:34:55  

Additional Information
 Earth MOID = 1.41328 au 
 Jupiter MOID = 2.07155 au 
 T_jup = 3.362 
[ 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 MPO349183  

441791 (2009 EC16)          Discovered 2009-Feb-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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