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C/2020 U5 (PANSTARRS)
Classification: Comet          SPK-ID: 1003741
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 2459212.5 (2020-Dec-29.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9999859373887329 6.2133e-05  
a 267079.7686660521 1.1801e+06 au
q 3.755838964065532 0.00012584 au
i 97.28032744167714 0.0011376 deg
node 107.3431684602582 0.00012783 deg
peri 75.40961466383526 0.0025512 deg
M 359.9999965382867 2.2943e-05 deg
tp 2459697.284259125259
(2022-Apr-27.78425913)
0.010564 TDB
period 50415016534.43616
138028792.70
3.3413e+11
9.148e+08
d
yr
n 7.140729583101508E-9 4.7325e-08 deg/d
Q 534155.7814931403 2.3601e+06 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      197 days  
   first obs. used      2020-09-25  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .40945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-02 23:42:49  

Additional Information
 Earth MOID = 3.39086 au 
 Jupiter MOID = .602871 au 
 T_jup = -0.304 
[ 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 9.7   0.5 8 2 parameter fit from 201 observations, autocmod 2.9c
comet total magnitude slope K1 8.   n/a 8 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2022.3   C/2020 U5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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