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305931 (2009 FE73)
Classification: Main-belt Asteroid          SPK-ID: 2305931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088548203858641 6.849e-08  
a 2.635915477973945 3.0144e-08 au
q 2.348983372066772 1.871e-07 au
i 4.404906249622236 7.2347e-06 deg
node 19.2811001862456 7.1496e-05 deg
peri 132.2300889461199 7.589e-05 deg
M 264.6883300796311 2.8792e-05 deg
tp 2459414.346441496130
(2021-Jul-18.84644150)
0.00012897 TDB
period 1563.131976001269
4.28
2.6813e-05
7.341e-08
d
yr
n .2303068490230333 3.9506e-09 deg/d
Q 2.922847583881118 3.3425e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      6232 days (17.06 yr)  
   first obs. used      2002-10-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:35  

Additional Information
 Earth MOID = 1.36205 au 
 Jupiter MOID = 2.06825 au 
 T_jup = 3.385 
[ 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 16.6   n/a MPO418595  

305931 (2009 FE73)          Discovered 2009-Mar-21 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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