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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02783400871487085 7.1854e-08  
a 2.988132712890257 3.534e-08 AU
q 2.904961000918479 2.2887e-07 AU
i 10.41387763267315 1.1175e-05 deg
node 348.2913592157572 3.9479e-05 deg
peri 41.93218493587113 0.00020813 deg
M 301.9434375369394 0.00020563 deg
tp 2457304.761545380749
(2015-Oct-09.26154538)
0.0010784 JED
period 1886.680018417597
5.17
3.347e-05
9.164e-08
d
yr
n .1908113704951094 3.385e-09 deg/d
Q 3.071304424862035 3.6324e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7321 days (20.04 yr)  
   first obs. used      1994-09-12  
   last obs. used      2014-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64986  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:19:55  

Additional Information
 Earth MOID = 1.91294 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 14.9 mag n/a MPO302286  

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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