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C/2020 F3 (NEOWISE)
Classification: Comet          SPK-ID: 1003667
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ hide orbit diagram ]

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 2459042.5 (2020-Jul-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9991879645362717 6.9753e-07  
a 362.8527670133785 0.31152 au
q .2946493149268137 1.5972e-07 au
i 128.9372922870448 2.3666e-05 deg
node 61.01053623502379 3.04e-05 deg
peri 37.27888873205947 2.2945e-05 deg
M .001186527450671363 1.5299e-06 deg
tp 2459034.179117771583
(2020-Jul-03.67911777)		 1.4789e-05 TDB
period 2524608.765296741
6912.00		 3251.2
8.901		 d
yr
n .0001425963519372024 1.8364e-07 deg/d
Q 725.4108847118301 0.62279 au
   Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      187 days  
   first obs. used      2020-03-27  
   last obs. used      2020-09-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .68395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:34:05  

Additional Information
 Earth MOID = .362501 au 
 Jupiter MOID = .813375 au 
 T_jup = -0.409 
[ 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 12.1   01. 25 2 parameter fit from 936 observations, autocmod 2.9c
comet total magnitude slope K1 12.25   n/a 25 autocmod 2.9c

Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2020.5   C/2020 F3       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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