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17896 (1999 FW4)
Classification: Main-belt Asteroid          SPK-ID: 2017896
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08936364471400654 4.2254e-08  
a 2.238870422262366 6.3486e-09 au
q 2.038796801286614 9.2678e-08 au
i 3.315129663653554 4.5774e-06 deg
node 16.38649596581891 5.0281e-05 deg
peri 198.1362306488243 5.4235e-05 deg
M 157.4974544903062 2.1317e-05 deg
tp 2458665.180697423428
(2019-Jun-30.68069742)		 7.2078e-05 TDB
period 1223.606753209001
3.35		 5.2045e-06
1.425e-08		 d
yr
n .2942121715623691 1.2514e-09 deg/d
Q 2.438944043238118 6.9159e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2004  
   data-arc span      10578 days (28.96 yr)  
   first obs. used      1992-02-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:24  

Additional Information
 Earth MOID = 1.03143 au 
 Jupiter MOID = 2.52493 au 
 T_jup = 3.629 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a E2021B10  

17896 (1999 FW4)          Discovered 1999-Mar-17 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 FW4 = 1997 VY7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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