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8330 Fitzroy (1982 FX3)
Classification: Main-belt Asteroid          SPK-ID: 2008330
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021143804676154 3.705e-08  
a 3.178024913801758 1.7852e-08 au
q 2.853502868618245 1.1796e-07 au
i 5.357843838252872 4.763e-06 deg
node 12.11276923594665 4.0556e-05 deg
peri 224.8841213054298 4.5949e-05 deg
M 232.5080692340092 2.2106e-05 deg
tp 2459733.349119787352
(2022-Jun-02.84911979)
0.00012838 TDB
period 2069.352009482812
5.67
1.7437e-05
4.774e-08
d
yr
n .1739675020732572 1.4659e-09 deg/d
Q 3.502546958985272 1.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2143  
   data-arc span      24984 days (68.40 yr)  
   first obs. used      1951-11-30  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:56:40  

Additional Information
 Earth MOID = 1.84528 au 
 Jupiter MOID = 1.51622 au 
 T_jup = 3.185 
[ 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 12.4   n/a MPO365349  
diameter diameter 12.573 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.134   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8330 Fitzroy           Discovered 1982 Mar. 28 by H. Debehogne at the European Southern Observatory.
British Naval Officer, hydrographer and meteorologist Robert FitzRoy (1805-1865) was captain of the HMS Beagle, which sailed around the world with Charles Darwin aboard as naturalist. FitzRoy was governor of New Zealand (1843-1848) and in 1854 established and directed what is now the British Meteorological Office.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 1982 FX3 = 1987 CM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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