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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786458849462101 5.0898e-08  
a 2.628156531045502 1.1332e-08 au
q 2.158647181779716 1.316e-07 au
i 13.82896435584896 4.6617e-06 deg
node 343.9682568562607 1.4196e-05 deg
peri 356.2272038925833 1.7574e-05 deg
M 172.2134254072493 1.3445e-05 deg
tp 2458256.042733866126
(2018-May-17.54273387)
5.6217e-05 TDB
period 1556.235323549362
4.26
1.0065e-05
2.756e-08
d
yr
n .2313274827735789 1.4961e-09 deg/d
Q 3.097665880311287 1.3356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1892  
   data-arc span      9163 days (25.09 yr)  
   first obs. used      1995-03-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:45:14  

Additional Information
 Earth MOID = 1.15056 au 
 Jupiter MOID = 2.30719 au 
 T_jup = 3.338 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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