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C/2015 GX (PANSTARRS)
Classification: Halley-type Comet*          SPK-ID: 1003395
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457278.5 (2015-Sep-13.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8781988155067391 3.1609e-06  
a 16.18829443292671 0.00043035 au
q 1.971753436856135 1.4693e-06 au
i 90.25452781618878 2.29e-05 deg
node 235.5155033293428 2.1159e-05 deg
peri 108.9579188108349 0.00011017 deg
M .2623640716240777 1.2737e-05 deg
tp 2457261.161882959741
(2015-Aug-26.66188296)
0.00025589 TDB
period 23790.30823792271
65.13
0.94866
0.002597
d
yr
n .01513221251274691 6.0341e-07 deg/d
Q 30.40483542899728 0.00080828 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      326 days  
   first obs. used      2015-04-08  
   last obs. used      2016-02-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .67396  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:09  

Additional Information
 Earth MOID = 1.45752 au 
 Jupiter MOID = .202981 au 
 T_jup = 0.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.2   01. 28 2 parameter fit from 93 observations, autocmod 2.9c
comet total magnitude slope K1 7.5   n/a 28 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.7   C/2015 GX       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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