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312556 (2009 FW68)
Classification: Main-belt Asteroid          SPK-ID: 2312556
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 .05635757869065282 5.6629e-08  
a 2.347206854727042 1.8384e-08 au
q 2.214923959708524 1.2783e-07 au
i 2.868282461991754 6.3117e-06 deg
node 78.22241689469202 0.00013163 deg
peri 73.93113054943659 0.00014627 deg
M 75.56987397790306 6.3302e-05 deg
tp 2458724.777840507252
(2019-Aug-29.27784051)
0.00023024 TDB
period 1313.486078412853
3.60
1.5432e-05
4.225e-08
d
yr
n .2740797987253927 3.2201e-09 deg/d
Q 2.479489749745561 1.9421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7088 days (19.41 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:45  

Additional Information
 Earth MOID = 1.22725 au 
 Jupiter MOID = 2.499 au 
 T_jup = 3.556 
[ 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 17.8   n/a MPO471272  

312556 (2009 FW68)          Discovered 2009-Mar-16 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 FW68 = 2005 AU80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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