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C/2020 N2 (ATLAS)
Classification: Comet          SPK-ID: 1003704
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 2459053.5 (2020-Jul-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9835028080792508 0.00058018  
a 108.7431638361961 3.8292 au
q 1.793956843875197 8.1004e-05 au
i 161.0348729588103 0.00026173 deg
node 257.0704609325958 0.0029352 deg
peri 331.2075933614316 0.010013 deg
M 359.9724613977402 0.0014678 deg
tp 2459085.184055573747
(2020-Aug-23.68405557)
0.015195 TDB
period 414191.6826045032
1134.00
21878
59.9
d
yr
n .0008691627937486883 4.591e-05 deg/d
Q 215.692370828517 7.5953 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      64 days  
   first obs. used      2020-07-13  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .4055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-30 21:15:02  

Additional Information
 Earth MOID = .800396 au 
 Jupiter MOID = 1.03262 au 
 T_jup = -1.516 
[ 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 15.6   0.4 6 from 79 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 6 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.6   C/2020 N2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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