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312555 (2009 FS66)
Classification: Main-belt Asteroid          SPK-ID: 2312555
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 .08011036324233559 4.576e-08  
a 2.26313173580429 1.8835e-08 au
q 2.081831430383751 9.8223e-08 au
i 3.512357515406591 4.7874e-06 deg
node 149.948796828349 7.7715e-05 deg
peri 359.3724772742999 8.77e-05 deg
M 137.0907810546817 4.5781e-05 deg
tp 2458526.946632796775
(2019-Feb-12.44663280)
0.00015393 TDB
period 1243.54979147111
3.40
1.5525e-05
4.251e-08
d
yr
n .289493836490554 3.6141e-09 deg/d
Q 2.444432041224829 2.0344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-02-13  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:46:57  

Additional Information
 Earth MOID = 1.09284 au 
 Jupiter MOID = 2.54106 au 
 T_jup = 3.611 
[ 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 17.9   n/a MPO423176  

312555 (2009 FS66)          Discovered 2009-Mar-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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