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79997 (1999 FW22)
Classification: Main-belt Asteroid          SPK-ID: 2079997
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779598728549607 8.3971e-08  
a 2.630531370994001 2.1852e-08 au
q 2.162402342670923 2.1777e-07 au
i 13.83697719567492 8.298e-06 deg
node 344.0270902500469 1.9942e-05 deg
peri 355.7629512748546 2.6287e-05 deg
M 208.9195986479797 2.4533e-05 deg
tp 2458254.487253994059
(2018-May-15.98725399)
0.00011221 JED
period 1558.345154837736
4.27
1.9418e-05
5.316e-08
d
yr
n .2310142903081605 2.8786e-09 deg/d
Q 3.098660399317079 2.5741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1995-03-28  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51964  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:23:42  

Additional Information
 Earth MOID = 1.15345 au 
 Jupiter MOID = 2.29468 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO359303  

79997 (1999 FW22)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 FW22 = 1995 FC21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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