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9708 Gouka (4140 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2009708
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713922679881497 6.2728e-08  
a 2.606019650465367 2.3282e-08 AU
q 2.159368032150422 1.5602e-07 AU
i 5.890229848941497 6.6209e-06 deg
node 116.0535878961112 7.8308e-05 deg
peri 36.22164964659759 8.2894e-05 deg
M 137.9210421110845 2.6864e-05 deg
tp 2456211.801424022616
(2012-Oct-11.30142402)
0.00011217 JED
period 1536.614602876652
4.21
2.0592e-05
5.638e-08
d
yr
n .2342812565532401 3.1396e-09 deg/d
Q 3.052671268780311 2.7273e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      13410 days (36.71 yr)  
   first obs. used      1977-10-11  
   last obs. used      2014-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60075  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:24  

Additional Information
 Earth MOID = 1.17383 AU 
 T_jup = 3.384 
[ 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 14.5 mag n/a MPO266010  

9708 Gouka           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
On 1901 Sept. 1 Adriaan Jacobus Gouka (1879-1963) and Christiaan A. C. Nell founded NVWS, the Dutch Astronomical and Meteorological Society. The name was suggested by H. van Woerden.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 4140 T-3 = 1990 VF11 = 1990 WX8 = 1996 JH15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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