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C/2017 S6 (Catalina)
Classification: Hyperbolic Comet          SPK-ID: 1003536
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458072.5 (2017-Nov-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001407300841813 3.3781e-05  
a -1096.375697800651 26.306 au
q 1.54293044245812 1.7307e-05 au
i 152.8268124520004 6.1943e-05 deg
node 130.8731223491645 0.00017309 deg
peri 134.6854097804648 0.0013189 deg
M -.00282173758359794 0.0001015 deg
tp 2458176.432565928538
(2018-Feb-26.93256593)
0.0020499 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.71496961360322E-5 9.7712e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      337 days  
   first obs. used      2017-02-16  
   last obs. used      2018-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .69995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:35  

Additional Information
 Earth MOID = .630432 au 
 Jupiter MOID = .79734 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.3   1. 9 2 parameter fit from 111 observations, autocmod 2.9c
comet total magnitude slope K1 4.75   n/a 9 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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