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

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 108 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .372636194678275 1.9001e-07  
a 3.483468486442959 4.5172e-07 AU
q 2.185402045373164 7.8878e-07 AU
i 3.607610579987559 1.4687e-05 deg
node 21.02042809640805 0.00012799 deg
peri 173.4345600833859 0.00016584 deg
M 299.5311820512314 8.9182e-05 deg
tp 2457399.382730569509
(2016-Jan-11.88273057)
0.00066268 JED
period 2374.74102977645
6.50
0.00046191
1.265e-06
d
yr
n .1515954773535408 2.9487e-08 deg/d
Q 4.781534927512753 6.2004e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.833939521409949E-8 3.664E-10
A2 [EST] -2.56942251919638E-9 5.827E-11
A3 [EST] 5.917683504031518E-9 2.041E-10
DT [EST] 37.71553497296955 1.739
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      4845 days (13.26 yr)  
   first obs. used      2001-09-16  
   last obs. used      2014-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .71528  
   data source      ORB  
   producer      Alan B. Chamberlin  
   solution date      2014-Dec-29 08:55:58  

Additional Information
 Earth MOID = 1.18601 AU 
 T_jup = 3.009 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.3 mag 1. 108 2 parameter fit from 475 observations, autocmod 2.6
comet total magnitude slope K1 18.   n/a 108 autocmod 2.6
comet nuclear magnitude M2 12.7 mag 0.8 108 from 1800 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 108 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 108 autocmod 2.6

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1950-Jul-27 12:33 01:11 Jupiter 0.517429609463175 0.515257579566952 0.51960124717467 3.86504357456535 3.41534764532763 2433490.022797569 71.2723259193878 10802.9891640754 118.889962780647 32.5324523558914 22125.5710081003 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
1954-Mar-10 01:00 20:53 Jupiter 1.37898048211079 1.37572977275139 1.38223147145978 2.06678789820897 1.74445859152419 2434811.541907180 1253.40320743076 4857.8160029063 63.5399933947305 -6.85919873435335 12432.0868528272 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
1984-Apr-13 13:06 1_14:20 Jupiter 1.27340166155969 1.27261094058 1.27419247349493 1.4034432184542 0.799576385893147 2445804.045763202 2299.76793314223 622.484545730932 24.4141383505162 7.99558017248405 23782.8844610172 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
1987-Jul-03 00:20 00:11 Jupiter 0.146018616326664 0.146013272674998 0.146023959921168 4.52241138660357 2.97500183081669 2446979.513888709 10.8556307175137 43.4169439185148 13.4693815315551 82.1054324253082 116836.991804932 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
1998-Dec-11 04:49 < 00:01 Jupiter 0.959627730258238 0.959607605406853 0.959647854890212 6.01544482361842 5.86687835473218 2451158.700441982 0.692802189908349 128.375789782055 11.1051528649413 -2.91841213631099 127334.415613592 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2059-Jan-18 04:12 00:10 Jupiter 0.767638778677087 0.7674074053563 0.767870101586413 5.34545128668575 5.13488302668453 2473111.675237097 9.93616276341763 1461.30562344439 57.303674877988 -6.19278584395728 19418.8071000082 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2070-Sep-20 07:56 00:53 Jupiter 0.239490646364309 0.239306318029492 0.239674913547806 4.23151357434504 3.29122681642105 2477374.830498068 53.4719005560813 646.242302696294 84.1240785148937 -6.81560837304521 4767.57094193578 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2082-Dec-06 06:27 06:15 Jupiter 0.47189425242412 0.465857786945552 0.477884518013814 4.76500889705868 4.37211928583937 2481834.768496261 375.385704301648 30632.3227414216 35.3601310355919 -10.1093866243526 25983.9871376795 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2129-Dec-16 10:50 01:02 Jupiter 0.903034904731215 0.884314103536169 0.921465777827403 6.08147928001389 5.92523787583842 2499010.951234632 62.1904136335583 140102.79158419 871.162342302995 -6.40166657932005 1680.45607958576 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2142-May-15 17:11 09:51 Jupiter 0.675442511085617 0.672956087150096 0.677922102460141 5.47773976307013 5.24381357196096 2503544.215990862 591.01192508691 20537.5806761518 2347.80604927958 17.5092309531084 1235.33986459986 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2149-Nov-27 01:36 2_12:44 Mars 0.0408476898284205 0.0406560482637269 0.0569491980981112 8.81913312381107 8.81833837047816 2506296.566590328 3644.03291640173 1634530.30537868 8007.79437066136 88.9903159556969 663.198395818177 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02
2189-Nov-02 06:11 19:59 Jupiter 0.651434537269969 0.591807103575309 0.707443539834243 5.50234898171194 5.26073762965198 2520881.757963677 1198.93372344192 367304.591423236 525.244522232868 -5.57974762213829 1526.82616625627 T 108 CATAB v2.0c-linF95 2014-Dec-29 09:02:01 2014-Dec-29 09:02

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1996.5   116P/1994 V1       1994v 
 1990.0   116P/1990 B1   1990 X   1990a 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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