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266776 (2009 SF203)
Classification: Main-belt Asteroid          SPK-ID: 2266776
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 .06458356208929251 5.6983e-08  
a 2.717326775432849 2.7784e-08 au
q 2.541832132914784 1.5274e-07 au
i 5.730894930312024 7.7258e-06 deg
node 160.0458082499347 6.3577e-05 deg
peri 279.1654363926203 9.8641e-05 deg
M 84.79396625009376 7.1076e-05 deg
tp 2458615.133748770578
(2019-May-11.63374877)
0.00032437 TDB
period 1636.105215710895
4.48
2.5094e-05
6.87e-08
d
yr
n .2200347487087365 3.3747e-09 deg/d
Q 2.892821417950914 2.9579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-04-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:34  

Additional Information
 Earth MOID = 1.56526 au 
 Jupiter MOID = 2.25372 au 
 T_jup = 3.350 
[ 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 16.8   n/a MPO460147  

266776 (2009 SF203)          Discovered 2009-Sep-22 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 SF203 = 1998 GT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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