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P/2017 W3 (Gibbs)
Classification: Jupiter-family Comet          SPK-ID: 1003549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2458150.5 (2018-Feb-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5038733637334523 1.2884e-05  
a 7.734510498308826 0.00024872 au
q 3.837296676694258 2.8435e-05 au
i 18.31672357042881 0.00014283 deg
node 210.7534630181887 0.00027243 deg
peri 326.4640543147919 0.0080423 deg
M 358.8961445569789 0.0022867 deg
tp 2458174.591141555691
(2018-Feb-25.09114156)
0.049622 TDB
period 7856.835797550343
21.51
0.37898
0.001038
d
yr
n .04581997247699172 2.2102e-06 deg/d
Q 11.63172431992339 0.00037404 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      198 days  
   first obs. used      2017-11-27  
   last obs. used      2018-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .64947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 11:21:03  

Additional Information
 Earth MOID = 2.86005 au 
 Jupiter MOID = .975176 au 
 T_jup = 2.672 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.5   0.5 11 from 111 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.   n/a 11 autocmod 2.8
comet nuclear magnitude M2 14.1   0.5 11 from 13 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 11 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 11 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.2   P/2017 W3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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