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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914931123182761 4.1446e-08  
a 2.365543008499575 1.2271e-08 au
q 1.912557815479253 9.6684e-08 au
i .5542571967836134 4.5481e-06 deg
node 307.2445580537153 0.00070064 deg
peri 4.04689131613419 0.00070091 deg
M 85.0914632525897 2.1115e-05 deg
tp 2458886.392583532217
(2020-Feb-06.89258353)
7.6529e-05 TDB
period 1328.907338127839
3.64
1.0341e-05
2.831e-08
d
yr
n .2708992490832108 2.108e-09 deg/d
Q 2.818528201519897 1.4621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      5631 days (15.42 yr)  
   first obs. used      2005-07-12  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .67053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:38  

Additional Information
 Earth MOID = .896247 au 
 Jupiter MOID = 2.44851 au 
 T_jup = 3.523 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO433486  

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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