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317P/WISE
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1003094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456433.5 (2013-May-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5802367326654875 4.1935e-07  
a 2.956715684796797 1.6524e-07 au
q 1.241120636429504 1.2908e-06 au
i 11.96256536997146 3.0891e-05 deg
node 275.692892301432 0.00015808 deg
peri 334.7414103436804 0.00020332 deg
M 203.0726105358811 6.631e-05 deg
tp 2457242.985407192838
(2015-Aug-08.48540719)
0.00037336 TDB
period 1857.003723725698
5.08
0.00015567
4.262e-07
d
yr
n .1938606774991994 1.6251e-08 deg/d
Q 4.67231073316409 2.6112e-07 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5301 days (14.51 yr)  
   first obs. used      2005-07-28  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .51617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 13:16:37  

Additional Information
 Earth MOID = .240649 au 
 Jupiter MOID = .577271 au 
 T_jup = 2.961 
[ 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 19.5   0.7 16 2 parameter fit from 48 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a 16 autocmod 2.8
comet nuclear magnitude M2 21.5   0.3 16 from 11 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 16 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 16 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.6   317P/2015 B3       
 2010.5   317P/2010 K2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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