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C/2020 F3 (NEOWISE)
Classification: Comet          SPK-ID: 1003667
[ 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 2459042.5 (2020-Jul-12.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9991880917223551 6.9668e-07  
a 362.909595042807 0.31124 au
q .2946493042520061 1.5895e-07 au
i 128.937291170872 2.3613e-05 deg
node 61.01054352641547 3.0488e-05 deg
peri 37.27889095131528 2.2971e-05 deg
M .001186249268517957 1.5279e-06 deg
tp 2459034.179114232692
(2020-Jul-03.67911423)		 1.4719e-05 TDB
period 2525201.874285106
6913.63		 3248.5
8.894		 d
yr
n .0001425628594949136 1.834e-07 deg/d
Q 725.524540781362 0.62223 au
   Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      187 days  
   first obs. used      2020-03-27  
   last obs. used      2020-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .71094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:46:28  

Additional Information
 Earth MOID = .362501 au 
 Jupiter MOID = .813374 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. 21 2 parameter fit from 933 observations, autocmod 2.8
comet total magnitude slope K1 12.25   n/a 21 autocmod 2.8

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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