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305874 (2009 FW2)
Classification: Main-belt Asteroid          SPK-ID: 2305874
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01844421195785311 6.0064e-08  
a 2.640657241529243 2.8602e-08 au
q 2.591952399658438 1.7389e-07 au
i 6.083290893711537 4.8695e-06 deg
node 86.06471731894503 6.5537e-05 deg
peri 321.2498945119496 0.00018859 deg
M 2.417050118686678 0.00017696 deg
tp 2458989.976756208803
(2020-May-20.47675621)
0.00077041 TDB
period 1567.351763019792
4.29
2.5465e-05
6.972e-08
d
yr
n .2296867930313191 3.7317e-09 deg/d
Q 2.689362083400048 2.9129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2003-12-21  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:58:18  

Additional Information
 Earth MOID = 1.60537 au 
 Jupiter MOID = 2.37081 au 
 T_jup = 3.387 
[ 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 16.5   n/a MPO418595  

305874 (2009 FW2)          Discovered 2009-Mar-18 by Kugel, F. at Chante-Perdrix
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 FW2 = 2005 GC168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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