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C/2018 F4-B (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003726
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459171.5 (2020-Nov-18.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001538508133337 6.4015e-05  
a -2235.877621653916 93.019 au
q 3.439915906060742 0.0001097 au
i 78.09686921437026 0.00065032 deg
node 26.51212238761489 0.00052037 deg
peri 263.2057266940589 0.0026989 deg
M .003262265588550361 0.00020352 deg
tp 2458821.565078297212
(2019-Dec-04.06507830)
0.0085552 TDB
period n/a
n/a
n/a
n/a
d
yr
n 9.322492229915586E-6 5.8177e-07 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      147 days  
   first obs. used      2020-09-12  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .58608  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2021-Jun-01 11:11:40  

Additional Information
 Earth MOID = 3.15895 au 
 Jupiter MOID = .594718 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.1   0.8 6 2 parameter fit from 104 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 6 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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