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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377573151521622 5.8261e-08  
a 3.114650408005152 2.7719e-08 AU
q 2.685584530160776 1.8836e-07 AU
i .9951849969698967 6.6182e-06 deg
node 1.712793004541681 0.00034984 deg
peri 107.4099457968973 0.0003507 deg
M 5.990899620399696 2.5091e-05 deg
tp 2456967.088041676447
(2014-Nov-05.58804168)
0.00013986 JED
period 2007.76273324985
5.50
2.6802e-05
7.338e-08
d
yr
n .1793040552243385 2.3936e-09 deg/d
Q 3.543716285849529 3.1537e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      1997-11-29  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:57:57  

Additional Information
 Earth MOID = 1.70245 AU 
 T_jup = 3.203 
[ 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 14.3 mag n/a MPO309717  

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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