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74509 Gillett (1999 FG7)
Classification: Main-belt Asteroid          SPK-ID: 2074509
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380313305812481 5.3729e-08  
a 3.111486343926101 2.4189e-08 au
q 2.682003743788598 1.7005e-07 au
i .9941754528881285 6.0711e-06 deg
node 1.708340773707977 0.00032212 deg
peri 106.7161303218073 0.00032294 deg
M 114.2500517987569 2.2794e-05 deg
tp 2456964.284595120457
(2014-Nov-02.78459512)
0.00012592 JED
period 2004.70408678736
5.49
2.3377e-05
6.4e-08
d
yr
n .1795776256319796 2.0941e-09 deg/d
Q 3.540968944063604 2.7528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      6714 days (18.38 yr)  
   first obs. used      1997-11-29  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54247  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:14:46  

Additional Information
 Earth MOID = 1.69743 au 
 Jupiter MOID = 1.5858 au 
 T_jup = 3.204 
[ 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 14.4 mag n/a MPO337819  

74509 Gillett           Discovered 1999 Mar. 22 by C. W. Juels at Fountain Hills.
Frederick C. Gillett (1937-2001), a pioneer in infrared astronomy, was the discoverer of the infrared excess of Vega in 1983 using the Infrared Astronomy Satellite. The Gemini North 8-m Telescope was renamed the Frederick C. Gillett Gemini Telescope in his honor on 2002 Nov. 18.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

[ show close-approach data ]
Alternate Designations
 1999 FG7 = 1997 WW52 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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