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227151 Desargues (2005 PT16)
Classification: Main-belt Asteroid          SPK-ID: 2227151
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906318318281495 1.2125e-07  
a 2.367521980472128 4.9556e-08 AU
q 1.916196928441318 3.0121e-07 AU
i .5552067921127789 1.1719e-05 deg
node 307.3855552087363 0.0010051 deg
peri 3.812443410391636 0.0010059 deg
M 155.2067104599009 4.9026e-05 deg
tp 2456226.849402776645
(2012-Oct-26.34940278)
0.00016641 JED
period 1330.575297862284
3.64
4.1777e-05
1.144e-07
d
yr
n .2705596598541847 8.4949e-09 deg/d
Q 2.818847032502938 5.9003e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      3073 days (8.41 yr)  
   first obs. used      2005-07-12  
   last obs. used      2013-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 23:24:37  

Additional Information
 Earth MOID = .900907 AU 
 T_jup = 3.522 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7 mag n/a MPO232306  

227151 Desargues           Discovered 2005 Aug. 10 by B. Christophe at Saint-Sulpice.
French mathematician and engineer Girard Desargues (1591-1661) is considered one of the founders of projective geometry. Desargues' theorem and the crater Desargues on the moon are named in his honor.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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