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JPL Small-Body Database Browser
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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 2458706.5 (2019-Aug-11.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9997461853104503 8.3375e-07  
a 6362.988196325335 20.905 au
q 1.615019873658456 1.1824e-06 au
i 57.23354044022197 1.5232e-05 deg
node 64.37912389421788 6.1264e-06 deg
peri 92.99451095559778 5.0294e-05 deg
M 359.9994796977731 2.5642e-06 deg
tp 2458974.443537721781
(2020-May-04.94353772)
5.6972e-05 TDB
period 185391621.6329734
507574.60
9.1363e+05
2501
d
yr
n 1.941835325830988E-6 9.5696e-09 deg/d
Q 12724.36137277701 41.805 au
  Orbit Determination Parameters
   # obs. used (total)      3872  
   data-arc span      933 days (2.55 yr)  
   first obs. used      2017-09-15  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .4719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-06 08:42:51  

Additional Information
 Earth MOID = 1.20178 au 
 Jupiter MOID = .998331 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 9.6   0.9 19 2 parameter fit from 2289 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 19 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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