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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784153047616016 8.4399e-08  
a 2.629697059350862 2.3288e-08 au
q 2.16051885707609 2.1872e-07 au
i 13.84338660563834 8.4e-06 deg
node 344.0289986942634 2.4286e-05 deg
peri 355.5535319676717 3.0106e-05 deg
M 163.0028964380643 2.4088e-05 deg
tp 2456695.239064724252
(2014-Feb-06.73906472)
9.8397e-05 JED
period 1557.603835559697
4.26
2.0691e-05
5.665e-08
d
yr
n .2311242382570536 3.0702e-09 deg/d
Q 3.098875261625633 2.7443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1995-03-28  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51246  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:06:23  

Additional Information
 Earth MOID = 1.15039 au 
 Jupiter MOID = 2.29353 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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