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437989 (2003 SF423)
Classification: Main-belt Asteroid          SPK-ID: 2437989
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061619978177822 4.6821e-08  
a 2.616823691821192 2.1803e-08 au
q 2.077334091578431 1.287e-07 au
i 3.241445546659667 7.583e-06 deg
node 210.5075853831207 9.7319e-05 deg
peri 87.61083915203602 0.00010139 deg
M 34.99828917115403 2.5724e-05 deg
tp 2458850.184268070749
(2020-Jan-01.68426807)
0.00010918 TDB
period 1546.180249837228
4.23
1.9324e-05
5.291e-08
d
yr
n .2328318448239774 2.9099e-09 deg/d
Q 3.156313292063953 2.6298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6244 days (17.10 yr)  
   first obs. used      2003-09-19  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:32:25  

Additional Information
 Earth MOID = 1.06471 au 
 Jupiter MOID = 2.07399 au 
 T_jup = 3.374 
[ 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 17.4   n/a MPO434614  

437989 (2003 SF423)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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