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305877 (2009 FK9)
Classification: Main-belt Asteroid          SPK-ID: 2305877
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559970875628573 5.5669e-08  
a 2.410931960391351 1.8377e-08 au
q 2.03483359625809 1.3049e-07 au
i 2.577489768061308 7.719e-06 deg
node 5.013875137669534 0.00018205 deg
peri 61.62508240641661 0.00018482 deg
M 86.55378254494896 3.1836e-05 deg
tp 2458671.754808325252
(2019-Jul-07.25480833)
0.00011955 TDB
period 1367.337920112839
3.74
1.5634e-05
4.28e-08
d
yr
n .2632853186506311 3.0104e-09 deg/d
Q 2.787030324524611 2.1244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5495 days (15.04 yr)  
   first obs. used      2005-01-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:18  

Additional Information
 Earth MOID = 1.05007 au 
 Jupiter MOID = 2.50388 au 
 T_jup = 3.502 
[ 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 17.3   n/a MPO455253  

305877 (2009 FK9)          Discovered 2009-Mar-16 by Mt. Lemmon Survey at Mount Lemmon
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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