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C/2007 K4 (Gibbs)
Classification: Hyperbolic Comet          SPK-ID: 1002460
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454264.5 (2007-Jun-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.002971423816648 0.00034176  
a -1187.258376177794 136.51 au
q 3.527847815489595 0.00011802 au
i 98.62655005934894 0.0034576 deg
node 68.51631188202296 0.00074901 deg
peri 162.4138918182288 0.005152 deg
M .0009705225099526896 0.00016771 deg
tp 2454224.217222998399
(2007-May-03.71722300)
0.023017 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.409274092285438E-5 4.1553e-06 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      73 days  
   first obs. used      2007-05-25  
   last obs. used      2007-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .66887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:08  

Additional Information
 Earth MOID = 2.55041 au 
 Jupiter MOID = 1.72177 au 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.9   1. 12 from 32 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 12 autocmod 2.9c
comet nuclear magnitude M2 14.7   0.8 12 from 28 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 12 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 12 autocmod 2.9c

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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