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C/2020 K6 (Rankin)
Classification: Hyperbolic Comet          SPK-ID: 1003694
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459224.5 (2021-Jan-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.003399732020949 3.5246e-05  
a -1726.315961995305 17.891 au
q 5.86901165427064 3.202e-05 au
i 103.6485976088765 9.439e-05 deg
node 291.5287921350617 5.5824e-05 deg
peri 44.2409272033279 0.00087764 deg
M -.003406173375354031 5.2954e-05 deg
tp 2459472.380923378282
(2021-Sep-14.88092338)
0.0087812 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.374116785161396E-5 2.1361e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      463 days (1.27 yr)  
   first obs. used      2020-05-26  
   last obs. used      2021-09-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .46836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-04 23:43:05  

Additional Information
 Earth MOID = 5.09061 au 
 Jupiter MOID = 1.53749 au 
 T_jup = -0.706 
[ 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 9.5   0.7 15 2 parameter fit from 65 observations, autocmod 2.9e
comet total magnitude slope K1 8.5   n/a 15 autocmod 2.9e

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