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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716547397920259 4.7331e-08  
a 2.604878786189796 1.8275e-08 au
q 2.157738995956618 1.2238e-07 au
i 5.890235251635455 4.9478e-06 deg
node 116.0464004174401 6.2862e-05 deg
peri 36.38509695737158 6.636e-05 deg
M 325.2281150057943 2.4183e-05 deg
tp 2457748.821954265820
(2016-Dec-26.32195427)
0.00010404 JED
period 1535.605663730707
4.20
1.616e-05
4.424e-08
d
yr
n .2344351863911409 2.4671e-09 deg/d
Q 3.052018576422973 2.1412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      13997 days (38.32 yr)  
   first obs. used      1977-10-11  
   last obs. used      2016-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55925  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:04:14  

Additional Information
 Earth MOID = 1.17087 au 
 Jupiter MOID = 1.95981 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 14.6 mag n/a MPO309227  

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

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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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