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C/2021 C5 (PANSTARRS)
Classification: Comet          SPK-ID: 1003767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459266.5 (2021-Feb-21.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9997930823533936 0.00032585  
a 15664.66398938366 24666 au
q 3.241295407563416 0.00058017 au
i 50.78417502158148 0.012267 deg
node 323.6911555724108 0.0011158 deg
peri 270.9129618222852 0.0042655 deg
M 359.9996381115985 0.00085483 deg
tp 2459986.366917945792
(2023-Feb-10.86691795)
0.19386 TDB
period 716110517.5423168
1960603.74
1.6914e+09
4.631e+06
d
yr
n 5.027156998552625E-7 1.1874e-06 deg/d
Q 31326.08668335975 49326 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      113 days  
   first obs. used      2020-12-22  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .37155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-02 23:42:54  

Additional Information
 Earth MOID = 2.71669 au 
 Jupiter MOID = .74181 au 
 T_jup = 1.412 
[ 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 11.2   0.3 4 2 parameter fit from 60 observations, autocmod 2.9c
comet total magnitude slope K1 7.25   n/a 4 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2023.1   C/2021 C5       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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