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116P/Wild 4
Classification: Encke-type Comet          SPK-ID: 1000122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455718.5 (2011-Jun-06.0) TDB
Reference: JPL K223/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3738051423702575 1.0089e-07  
a 3.477825015960963 7.2496e-08 au
q 2.177796140730832 3.2674e-07 au
i 3.611821849863624 7.0241e-06 deg
node 21.03226238628755 0.00016982 deg
peri 173.6630210810085 0.00017218 deg
M 104.4529032382204 1.4069e-05 deg
tp 2455031.149849301757
(2009-Jul-18.64984930)
9.3681e-05 TDB
period 2368.972489802701
6.49
7.4073e-05
2.028e-07
d
yr
n .1519646182256774 4.7516e-09 deg/d
Q 4.777853891191094 9.9595e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.598511736597029E-8 1.592E-10
A2 [EST] -1.819629602299593E-9 3.68E-11
A3 [EST] 7.501405896686019E-9 1.846E-10
  Orbit Determination Parameters
   # obs. used (total)      2540  
   data-arc span      4810 days (13.17 yr)  
   first obs. used      2007-10-16  
   last obs. used      2020-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60284  
   source      ORB  
   producer      Shantanu Naidu  
   solution date      2021-Jan-21 11:12:00  

Additional Information
 Earth MOID = 1.17678 au 
 Jupiter MOID = .184677 au 
 T_jup = 3.010 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.2   1. K223/1 2 parameter fit from 413 observations, autocmod 2.8
comet total magnitude slope K1 16.   n/a K223/1 autocmod 2.8
comet nuclear magnitude M2 12.8   0.7 K223/1 from 1978 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a K223/1 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a K223/1 autocmod 2.8

116P/Wild 4          Discovered 1990-Jan-21 by Wild, Paul at Astronomical Institute, Berne University
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.6   116P/1994 V1       1994v 
 1990.1   116P/1990 B1   1990 X   1990a 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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