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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 2459133.5 (2020-Oct-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.004116064507583 4.2873e-05  
a -1426.188085037799 14.846 au
q 5.870282157961937 7.7519e-05 au
i 103.6579223246113 0.00018523 deg
node 291.5315898970381 5.836e-05 deg
peri 44.18665625873841 0.0021349 deg
M -.0061906641607901 9.6585e-05 deg
tp 2459471.797179047989
(2021-Sep-14.29717905)
0.020509 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.829948502145779E-5 2.8573e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      387 days (1.06 yr)  
   first obs. used      2020-05-26  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .43865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-01 22:12:49  

Additional Information
 Earth MOID = 5.09253 au 
 Jupiter MOID = 1.53715 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 12.8   0.6 13 2 parameter fit from 43 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 13 autocmod 2.9c

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