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C/2020 T4 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003734
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459176.5 (2020-Nov-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000040873103494 1.3328e-05  
a -53626.42396584246 17486 au
q 2.191878376768356 1.4211e-05 au
i 83.81738875929472 0.00021387 deg
node 50.62233092464598 3.293e-05 deg
peri 79.60252930264839 0.00051614 deg
M -1.779768682095152E-5 8.705e-06 deg
tp 2459400.747568401025
(2021-Jul-05.24756840)
0.0010333 TDB
period n/a
n/a
n/a
n/a
d
yr
n 7.936624217536073E-8 3.8819e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      264 days  
   first obs. used      2020-09-26  
   last obs. used      2021-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .4013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-01 22:12:53  

Additional Information
 Earth MOID = 1.82828 au 
 Jupiter MOID = .107926 au 
 T_jup = 0.198 
[ 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 15.8   0.7 8 2 parameter fit from 143 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 8 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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