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JPL Small-Body Database Browser
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C/2017 K2 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458367.5 (2018-Sep-06.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000361158009129 4.3912e-06  
a -5001.766651336847 60.802 au
q 1.80642808592438 1.3624e-05 au
i 87.54465043083408 2.1181e-05 deg
node 88.25348410391007 0.00011796 deg
peri 236.0685924553383 0.0003861 deg
M -.004365380098031736 7.9581e-05 deg
tp 2459934.262362500031
(2022-Dec-20.76236250)
0.0075451 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.786242638013108E-6 5.0804e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      2014  
   data-arc span      2458 days (6.73 yr)  
   first obs. used      2013-05-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .47715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:15:48  

Additional Information
 Earth MOID = 1.09912 au 
 Jupiter MOID = 1.27994 au 
 T_jup = 0.170 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.0   0.8 32 from 871 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 6.   n/a 32 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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