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C/2017 T2 (PANSTARRS)
Classification: Comet          SPK-ID: 1003539
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.


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Orbital Elements at Epoch 2458823.5 (2019-Dec-06.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9996791110028934 1.4867e-06  
a 5033.173394711062 23.322 au
q 1.615089962892369 1.3047e-06 au
i 57.23157727364506 1.312e-05 deg
node 64.37882811722598 6.0136e-06 deg
peri 92.99344251143444 5.8425e-05 deg
M 359.99958334794 2.8961e-06 deg
tp 2458974.449715160607
(2020-May-04.94971516)
8.0353e-05 TDB
period 130425126.0930115
357084.53
9.0651e+05
2482
d
yr
n 2.760204347000357E-6 1.9184e-08 deg/d
Q 10064.73169945923 46.636 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.343818644746131E-8 6.769E-10
A2 [EST] 3.558030589224116E-10 5.177E-10
A3 [EST] -3.977198746042259E-10 1.419E-10
DT [EST] -58.60424257238974 2.761
  Orbit Determination Parameters
   # obs. used (total)      6598  
   data-arc span      1080 days (2.96 yr)  
   first obs. used      2017-09-15  
   last obs. used      2020-08-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .49839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-03 09:42:36  

Additional Information
 Earth MOID = 1.20196 au 
 Jupiter MOID = .998428 au 
 T_jup = 0.854 
[ 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 10.2   1. 38 2 parameter fit from 4364 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 38 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.3   C/2017 T2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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