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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653418836078158 7.9812e-08  
a 2.66012187087657 2.2135e-08 AU
q 2.220292310119491 2.1148e-07 AU
i 10.96052010623298 8.957e-06 deg
node 305.6946634934409 3.2082e-05 deg
peri 344.7414129022364 3.852e-05 deg
M 211.0620804840468 2.2429e-05 deg
tp 2457656.121987288340
(2016-Sep-24.62198729)
0.00010158 JED
period 1584.713390591716
4.34
1.9779e-05
5.415e-08
d
yr
n .2271704158854742 2.8354e-09 deg/d
Q 3.099951431633649 2.5794e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      5691 days (15.58 yr)  
   first obs. used      1999-06-22  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55623  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 16:31:29  

Additional Information
 Earth MOID = 1.20734 AU 
 T_jup = 3.341 
[ 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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