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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716384203820243 4.8557e-08  
a 2.605127614049104 1.8728e-08 au
q 2.157987625480124 1.2493e-07 au
i 5.890083245071189 5.0914e-06 deg
node 116.0481889161008 6.3348e-05 deg
peri 36.34438302903547 6.6818e-05 deg
M 278.3773897328487 2.3976e-05 deg
tp 2457748.716951359115
(2016-Dec-26.21695136)
0.00010443 JED
period 1535.825699263765
4.20
1.6561e-05
4.534e-08
d
yr
n .2344015992000751 2.5276e-09 deg/d
Q 3.052267602618083 2.1942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      13936 days (38.15 yr)  
   first obs. used      1977-10-11  
   last obs. used      2015-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5508  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:11:39  

Additional Information
 Earth MOID = 1.17233 au 
 Jupiter MOID = 1.96006 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

[ 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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