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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02794122996918185 1.1787e-07  
a 2.988268292423621 4.8225e-08 AU
q 2.904772400855399 3.4278e-07 AU
i 10.41314745032355 1.4488e-05 deg
node 348.2949202192055 4.5307e-05 deg
peri 41.88815139717468 0.00024065 deg
M 263.8347480471877 0.00023623 deg
tp 2457304.515021157340
(2015-Oct-09.01502116)
0.0012391 JED
period 1886.808425414167
5.17
4.5675e-05
1.251e-07
d
yr
n .1907983848020911 4.6187e-09 deg/d
Q 3.071764183991844 4.9573e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      1994-09-12  
   last obs. used      2013-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 01:35:22  

Additional Information
 Earth MOID = 1.91135 AU 
 T_jup = 3.231 
[ 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 14.8 mag n/a MPO263665  

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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