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C/2015 V4 (PANSTARRS)
Classification: Halley-type Comet*          SPK-ID: 1003418
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457465.5 (2016-Mar-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .705601764290066 2.1205e-05  
a 18.54504263906558 0.0014084 au
q 5.459627834106404 2.4349e-05 au
i 60.75130635629077 8.0838e-05 deg
node 179.896328042832 0.00013526 deg
peri 306.9071173374868 0.0024277 deg
M 357.9884281981114 0.00035427 deg
tp 2457628.494601120160
(2016-Aug-27.99460112)
0.024775 TDB
period 29170.25201296148
79.86
3.323
0.009098
d
yr
n .01234134006932946 1.4059e-06 deg/d
Q 31.63045744402475 0.0024022 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      509 days (1.39 yr)  
   first obs. used      2015-11-03  
   last obs. used      2017-03-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .48336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:16  

Additional Information
 Earth MOID = 4.73178 au 
 Jupiter MOID = 1.04357 au 
 T_jup = 1.588 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.9   0.5 14 2 parameter fit from 39 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 14 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.7   C/2015 V4       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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