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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791457234111689 1.0791e-07  
a 2.627098009927705 3.5555e-08 AU
q 2.156464636467164 2.9522e-07 AU
i 13.84261277434291 1.1156e-05 deg
node 344.0354623119739 2.5268e-05 deg
peri 355.2702564240658 3.109e-05 deg
M 70.76253447605146 2.6316e-05 deg
tp 2456694.787132415751
(2014-Feb-06.28713242)
0.00010946 JED
period 1555.295229957833
4.26
3.1574e-05
8.644e-08
d
yr
n .2314673079848384 4.699e-09 deg/d
Q 3.097731383388246 4.1925e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      1995-03-28  
   last obs. used      2014-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52624  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 15:21:49  

Additional Information
 Earth MOID = 1.14878 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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