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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05464491132032893 5.6082e-08  
a 2.813933895678396 2.7315e-08 au
q 2.660166727487782 1.6237e-07 au
i 1.785066655262038 6.927e-06 deg
node 23.34900517110489 0.00019539 deg
peri 63.13520340638986 0.00020714 deg
M 81.54835683462085 6.6422e-05 deg
tp 2458209.945202454154
(2018-Apr-01.44520245)
0.00031776 TDB
period 1724.127040372369
4.72
2.5104e-05
6.873e-08
d
yr
n .2088013189110757 3.0402e-09 deg/d
Q 2.96770106386901 2.8807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7425 days (20.33 yr)  
   first obs. used      1998-10-14  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:01:51  

Additional Information
 Earth MOID = 1.67696 au 
 Jupiter MOID = 2.14067 au 
 T_jup = 3.317 
[ 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 16.6   n/a MPO433109  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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