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C/2020 P4-B
Classification: Encke-type Comet [NEO]          SPK-ID: 1003715
[ Ephemeris | Orbit Diagram | Orbital Elements | 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 2459068.5 (2020-Aug-07.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9092091815861358 0.16589  
a 1.020070967631922 1.9184 au
q .09261307799152452 0.031723 au
i 28.1473129339403 4.689 deg
node 173.4267944075555 14.935 deg
peri 171.6064846813155 29.714 deg
M 358.9621324773364 2.8976 deg
tp 2459069.584884311732
(2020-Aug-08.08488431)		 0.6924 TDB
period 376.3084822436581
1.03		 1061.6
2.907		 d
yr
n .9566619329268841 2.6988 deg/d
Q 1.947528857272319 3.6627 au
   Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      1 day  
   first obs. used      2020-08-06  
   last obs. used      2020-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .079265  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Aug-31 09:41:05  

Additional Information
 Earth MOID = .135011 au 
 Jupiter MOID = 3.49537 au 
 T_jup = 5.426 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.2   0.6 1 from 76 observations, assumed slope, autocmod 2.9
comet total magnitude slope K1 10.   n/a 1 autocmod 2.9

Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2019.6   C/2020 P4-B       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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