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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01818804726865428 6.0136e-08  
a 2.640332825996464 2.8846e-08 au
q 2.592310327752261 1.7399e-07 au
i 6.08332705315599 4.9206e-06 deg
node 86.063856972848 6.5812e-05 deg
peri 321.1148840328351 0.00019158 deg
M 270.6466697383643 0.00017998 deg
tp 2458989.450811910938
(2020-May-19.95081191)
0.00078417 TDB
period 1567.062938537804
4.29
2.568e-05
7.031e-08
d
yr
n .2297291264739557 3.7647e-09 deg/d
Q 2.688355324240667 2.937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5739 days (15.71 yr)  
   first obs. used      2003-12-21  
   last obs. used      2019-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:06  

Additional Information
 Earth MOID = 1.60516 au 
 Jupiter MOID = 2.37197 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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