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172850 Coppens (2005 EU27)
Classification: Main-belt Asteroid          SPK-ID: 2172850
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .05567886646219401 8.4177e-08  
a 2.813768790949322 4.9573e-08 AU
q 2.657101334182566 2.3546e-07 AU
i 1.785566268811241 1.2281e-05 deg
node 23.36458094319979 0.00031793 deg
peri 63.61418502667237 0.00035878 deg
M 107.09589189113 0.0001662 deg
tp 2456487.637021102474
(2013-Jul-14.13702110)
0.00079843 JED
period 1723.975300479298
4.72
4.556e-05
1.247e-07
d
yr
n .2088196970686953 5.5185e-09 deg/d
Q 2.970436247716079 5.2334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5614 days (15.37 yr)  
   first obs. used      1998-10-14  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63603  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 13:06:26  

Additional Information
 Earth MOID = 1.67367 AU 
 T_jup = 3.317 
[ 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 16.7 mag n/a MPO245260  

172850 Coppens           Discovered 2005 Mar. 3 by J.-C. Merlin at Tenagra II.
A native of Vannes (Brittany, France), Yves Coppens (b. 1934) is an internationally known paleoanthropologist. A professor and former chair of anthropology of the Paris Muséum National d´Histoire Naturelle, he codiscovered Lucy, the Australopithecus afarensis in Ethiopia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 EU27 = 2003 YO173 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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