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75D/Kohoutek
Classification: Jupiter-family Comet          SPK-ID: 1000052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2449520.5 (1994-Jun-17.0) TDB
Reference: JPL J873/16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.496307395647225 9.9997e-07  
a 3.54314699923032 5.2649e-06 au
q 1.78465693964704 1.2933e-06 au
i 5.90720925939778 5.6204e-05 deg
node 269.6860945460317 0.00043077 deg
peri 175.8017246617871 0.00049333 deg
M 358.0938421757012 0.00049198 deg
tp 2449533.398480115606
(1994-Jun-29.89848012)
0.0033574 TDB
period 2436.027480214694
6.67
0.0054297
1.487e-05
d
yr
n .1477815841257555 3.2939e-07 deg/d
Q 5.301637058813597 7.8779e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.982196062371616E-8 4.492E-10
A2 [EST] 8.704448179457784E-9 1.563E-11
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4784 days (13.10 yr)  
   first obs. used      1975-02-09  
   last obs. used      1988-03-16  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB-CPV405-01  
   norm. resid. RMS      1.4735  
   source      ORB  
   producer      M.S.W. Keesey  
   solution date      2000-Sep-07 10:28:10  

Additional Information
 Earth MOID = .800786 au 
 T_jup = 2.894 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.5   n/a ICQ 2002 Handbook  
comet total magnitude slope K1 10.0   n/a ICQ 2002 Handbook  
comet nuclear magnitude M2 14.5   n/a ICQ 2002 Handbook  
comet nuclear magnitude slope K2 5.0   n/a ICQ 2002 Handbook  
comet nuclear phase coefficient PC 0.03   n/a ICQ 2002 Handbook  
diameter diameter 4.6 km n/a Scotti,J (1994) BAAS 26:1375  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1987.8       1987 XXVII   1986k 
 1981.2   75D/1980 P1   1981 IX   1980j 
 1974.5   75D/1975 C1   1975 III   1975c 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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