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

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 1.242294750777308E-9 7.477693351914565E-10 6.112911905237539E-9 1.251996612775315E-9 2.471602211550549E-9 1.575590476995395E-9
q 7.477693351914565E-10 1.025252263608819E-9 -1.995977474222833E-7 6.297138402309234E-10 -1.892336536575049E-8 8.577937268070701E-10
tp 6.112911905237539E-9 -1.995977474222833E-7 7.710867959424756E-5 6.265731190227988E-8 7.684835010292427E-6 5.335776177592296E-8
node 1.251996612775315E-9 6.297138402309234E-10 6.265731190227988E-8 3.116263912433669E-9 8.425092578094064E-9 4.121151429257616E-9
peri 2.471602211550549E-9 -1.892336536575049E-8 7.684835010292427E-6 8.425092578094064E-9 7.702533061214766E-7 8.128673489744768E-9
i 1.575590476995395E-9 8.577937268070701E-10 5.335776177592296E-8 4.121151429257616E-9 8.128673489744768E-9 8.909535153436927E-9

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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