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38269 Gueymard (1999 RN33)
Classification: Main-belt Asteroid          SPK-ID: 2038269
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02749168013398815 6.5901e-08  
a 2.987159334907225 3.1651e-08 au
q 2.905037305962699 2.0535e-07 au
i 10.4144718799747 8.7828e-06 deg
node 348.2914940838053 3.3867e-05 deg
peri 41.91113057264864 0.00015773 deg
M 18.29282779911305 0.00015096 deg
tp 2457304.678193343465
(2015-Oct-09.17819334)
0.00079118 JED
period 1885.758220389812
5.16
2.9971e-05
8.206e-08
d
yr
n .1909046430806931 3.0341e-09 deg/d
Q 3.069281363851752 3.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      7749 days (21.22 yr)  
   first obs. used      1994-09-12  
   last obs. used      2015-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61753  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:35:07  

Additional Information
 Earth MOID = 1.91112 au 
 Jupiter MOID = 2.05586 au 
 T_jup = 3.232 
[ 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 15.0 mag n/a MPO358979  

38269 Gueymard           Discovered 1999 Sept. 10 by W. G. Dillon and K. Rivich at the George Observatory, Needville.
Adolphe G. Gueymard (b. 1913), distinguished Louisiana State University alumnus, is a successful businessman, generous benefactor of the George Observatory, and an admirable representative of the "Greatest Generation".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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