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10445 Coster (4090 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2010445
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529000702948163 6.7324e-08  
a 2.471725968959718 1.5448e-08 au
q 2.093798894556254 1.6303e-07 au
i 3.795979730473582 5.7742e-06 deg
node 102.2100553986834 9.6321e-05 deg
peri 150.9356198570591 9.8376e-05 deg
M 107.7107263150899 1.8051e-05 deg
tp 2457175.826304651995
(2015-Jun-02.32630465)
7.1381e-05 JED
period 1419.380739092309
3.89
1.3306e-05
3.643e-08
d
yr
n .2536317353652546 2.3777e-09 deg/d
Q 2.849653043363181 1.781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      15298 days (41.88 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53345  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:40:03  

Additional Information
 Earth MOID = 1.07999 au 
 Jupiter MOID = 2.18866 au 
 T_jup = 3.464 
[ 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 14.6 mag n/a MPO344386  

10445 Coster           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
With de Hevesy, Dutch physicist Dirk Coster (1889-1950) discovered the metallic element 72 hafnium, which closely resembles 40 zirconium in that it is resistant to high temperatures. The name was suggested by W. A. Fröger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 4090 T-2 = 1996 PG6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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