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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 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.229678474422508E-9 1.314644538116786E-9 -1.821232608563537E-7 -3.274678295969597E-10 -1.125790944797091E-8 6.411636241710937E-10
q 1.314644538116786E-9 1.851856347301103E-9 -2.97266132288526E-7 -3.563581658983124E-10 -1.971682299987516E-8 6.434944584414345E-10
tp -1.821232608563537E-7 -2.97266132288526E-7 5.65123206056812E-5 4.670294761586437E-8 3.778280922752789E-6 -7.882106179563822E-8
node -3.274678295969597E-10 -3.563581658983124E-10 4.670294761586437E-8 2.200739318018761E-9 2.635521366383743E-9 -2.708129921383579E-9
peri -1.125790944797091E-8 -1.971682299987516E-8 3.778280922752789E-6 2.635521366383743E-9 2.559302949653791E-7 -4.432765427268559E-9
i 6.411636241710937E-10 6.434944584414345E-10 -7.882106179563822E-8 -2.708129921383579E-9 -4.432765427268559E-9 5.488153203949262E-9

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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