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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792382697178031 1.1828e-07  
a 2.627212917882932 4.1488e-08 AU
q 2.156315820301335 3.288e-07 AU
i 13.8425365826896 1.1475e-05 deg
node 344.0357634133154 2.5324e-05 deg
peri 355.2608017069738 3.1249e-05 deg
M 24.46969731695805 2.7636e-05 deg
tp 2456694.777498684046
(2014-Feb-06.27749868)
0.00011759 JED
period 1555.397272828823
4.26
3.6843e-05
1.009e-07
d
yr
n .2314521224183857 5.4825e-09 deg/d
Q 3.098110015464529 4.8924e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      6298 days (17.24 yr)  
   first obs. used      1995-03-28  
   last obs. used      2012-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 15:15:14  

Additional Information
 Earth MOID = 1.14689 AU 
 T_jup = 3.338 
[ 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 13.1 mag n/a MPO233884  

79997 (1999 FW22)          Discovered 1999-Mar-19 by LINEAR at Socorro (704)
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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