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C/2020 P4-B
Classification: Encke-type Comet [NEO]          SPK-ID: 1003715
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 2459068.5 (2020-Aug-07.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9092091821956565 0.16589  
a 1.020070950980331 1.9184 au
q .09261307585795861 0.031724 au
i 28.1473125338304 4.689 deg
node 173.4267943140723 14.935 deg
peri 171.6064874118356 29.714 deg
M 358.9621323999057 2.8976 deg
tp 2459069.584884366106
(2020-Aug-08.08488437)
0.6924 TDB
period 376.3084730293948
1.03
1061.6
2.907
d
yr
n .9566619563516421 2.6988 deg/d
Q 1.947528826102702 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .079265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:34:09  

Additional Information
 Earth MOID = .135011 au 
 Jupiter MOID = 3.49537 au 
 T_jup = 5.426 
[ 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 16.2   0.6 2 from 76 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 2 autocmod 2.9c

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