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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02733609185879212 6.5344e-08  
a 2.986631554293857 3.1358e-08 au
q 2.904988719777313 2.0311e-07 au
i 10.41442028841707 8.4614e-06 deg
node 348.2898642960642 3.363e-05 deg
peri 41.73392572937149 0.00015543 deg
M 56.66100363191867 0.00014822 deg
tp 2457303.776008287341
(2015-Oct-08.27600829)
0.00077761 JED
period 1885.258470013796
5.16
2.9691e-05
8.129e-08
d
yr
n .1909552486972068 3.0074e-09 deg/d
Q 3.0682743888104 3.2215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      7839 days (21.46 yr)  
   first obs. used      1994-09-12  
   last obs. used      2016-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61206  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:23:23  

Additional Information
 Earth MOID = 1.91155 au 
 Jupiter MOID = 2.05594 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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