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JPL Small-Body Database Browser
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C/2014 W2 (PANSTARRS)
Classification: Comet          SPK-ID: 1003353
Ephemeris | Orbit Diagram | Orbital Elements | 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 2457434.5 (2016-Feb-16.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9983165552039877 2.0688e-06  
a 1586.145221458679 1.9499 au
q 2.670187918784462 1.3699e-06 au
i 81.99855616300668 7.5554e-06 deg
node 69.96276755747459 6.9456e-06 deg
peri 85.00943738339313 2.0718e-05 deg
M 359.9996336074717 6.7638e-07 deg
tp 2457457.983182621501
(2016-Mar-10.48318262)
7.2244e-05 TDB
period 23073466.54633175
63171.71
42548
116.5
d
yr
n 1.56023369647173E-5 2.8771e-08 deg/d
Q 3169.620254998573 3.8965 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.735794889019282E-7 1.145E-8
A2 [EST] 2.29271024584017E-8 1.036E-8
  Orbit Determination Parameters
   # obs. used (total)      3401  
   data-arc span      1053 days (2.88 yr)  
   first obs. used      2014-10-24  
   last obs. used      2017-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .4917  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-26 20:51:50  

Additional Information
 Earth MOID = 2.41243 au 
 Jupiter MOID = .067503 au 
 T_jup = 0.285 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.9   0.7 50 2 parameter fit from 762 observations, autocmod 2.6n
comet total magnitude slope K1 9.   n/a 50 autocmod 2.6n
comet nuclear magnitude M2 11.1   0.7 50 from 2372 observations, autocmod 2.6n
comet nuclear magnitude slope K2 5.   n/a 50 autocmod 2.6n
comet nuclear phase coefficient PC 0.03   n/a 50 autocmod 2.6n

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.2   C/2014 W2       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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