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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.


Orbital Elements at Epoch 2459035.5 (2020-Jul-05.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9991780666127325 8.5258e-07  
a 358.4855438202229 0.37163 au
q .2946512373186049 2.0953e-07 au
i 128.9375020337457 2.7561e-05 deg
node 61.01042723312359 4.2979e-05 deg
peri 37.2786546880135 3.0578e-05 deg
M .0001918374877652604 3.008e-07 deg
tp 2459034.178896402401
(2020-Jul-03.67889640)		 2.0267e-05 TDB
period 2479167.657353806
6787.59		 3855.1
10.55		 d
yr
n .000145210026006976 2.258e-07 deg/d
Q 716.6764364031271 0.74296 au
   Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      438 days (1.20 yr)  
   first obs. used      2020-03-27  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .38862  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 19:11:02  

Additional Information
 Earth MOID = .362512 au 
 Jupiter MOID = .813416 au 
 T_jup = -0.408 
[ 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   1. 28 2 parameter fit from 940 observations, autocmod 2.9c
comet total magnitude slope K1 12.25   n/a 28 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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