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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792382243342252 1.1507e-07  
a 2.627212919665329 4.095e-08 AU
q 2.15631594099658 3.1881e-07 AU
i 13.84253971459017 1.1458e-05 deg
node 344.0358137403554 2.7032e-05 deg
peri 355.2607691360016 3.3193e-05 deg
M 24.46968653905265 2.807e-05 deg
tp 2456694.777545142915
(2014-Feb-06.27754514)
0.00011956 JED
period 1555.397274411681
4.26
3.6366e-05
9.956e-08
d
yr
n .2314521221828473 5.4115e-09 deg/d
Q 3.098109898334078 4.829e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      770  
   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      .54958  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 12:36:49  

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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