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C/2017 K5 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003520
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458542.5 (2019-Feb-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.004222117866774 3.5067e-05  
a -1819.058462698531 15.099 au
q 7.680279236066036 4.3033e-05 au
i 82.25775849778118 7.4082e-05 deg
node 102.3757997353607 4.6912e-05 deg
peri 171.7157588750072 0.0005059 deg
M -.004934893680156139 6.1378e-05 deg
tp 2458930.957680065789
(2020-Mar-22.45768007)
0.0075175 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.270381288206316E-5 1.5817e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      1139 days (3.12 yr)  
   first obs. used      2017-05-27  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .53526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:35  

Additional Information
 Earth MOID = 6.67215 au 
 Jupiter MOID = 2.51083 au 
 T_jup = 0.468 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.6   0.9 16 from 102 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 8.75   n/a 16 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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