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91422 Giraudon (1999 OH)
Classification: Main-belt Asteroid          SPK-ID: 2091422
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653951487377245 7.633e-08  
a 2.657182004600146 2.0899e-08 au
q 2.2176969917261 2.0412e-07 au
i 10.95356685222829 8.7273e-06 deg
node 305.6644816852668 2.9563e-05 deg
peri 345.2597589326453 3.6154e-05 deg
M 346.960369238962 2.299e-05 deg
tp 2457657.805086678011
(2016-Sep-26.30508668)
0.00010129 JED
period 1582.087068425673
4.33
1.8665e-05
5.11e-08
d
yr
n .2275475270512351 2.6845e-09 deg/d
Q 3.096667017474192 2.4355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      5833 days (15.97 yr)  
   first obs. used      1999-06-22  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53306  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 14:15:05  

Additional Information
 Earth MOID = 1.20311 au 
 Jupiter MOID = 2.11324 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO280379  

91422 Giraudon           Discovered 1999 July 16 at Pises Observatory.
Edmond Giraudon (b. 1924), a professor in mechanical engineering and a popularizer of astronomy, initiated the construction of five observatories in several high schools in the Provence Alpes, Côte d´Azur and Languedoc Roussillon regions of France.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

Alternate Designations
 1999 OH = 2000 XC7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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