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C/2014 W9 (PANSTARRS)
Classification: Halley-type Comet*          SPK-ID: 1003360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8578443412738567 1.9263e-05  
a 11.16702131595852 0.0015469 au
q 1.587455271178967 4.894e-06 au
i 10.63053084298401 5.2842e-05 deg
node 21.28861558606422 0.00014492 deg
peri 167.7694395691037 0.00019888 deg
M 359.5323578787861 0.00010301 deg
tp 2457069.205800463187
(2015-Feb-15.70580046)
0.00032055 TDB
period 13630.26955356676
37.32
2.8321
0.007754
d
yr
n .02641180341923578 5.4879e-06 deg/d
Q 20.74658736073807 0.0028738 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      226 days  
   first obs. used      2014-10-25  
   last obs. used      2015-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .58117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:03  

Additional Information
 Earth MOID = .590554 au 
 Jupiter MOID = .761201 au 
 T_jup = 1.946 
[ 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 14.6   0.8 18 2 parameter fit from 83 observations, autocmod 2.9c
comet total magnitude slope K1 13.75   n/a 18 autocmod 2.9c
comet nuclear magnitude M2 17.3   0.6 18 from 18 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 18 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 18 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.1   C/2014 W9       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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