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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 2456960.5 (2014-Oct-30.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3726311471942892 2.893e-07  
a 3.483037623539142 1.032e-06 AU
q 2.185149318158881 8.0898e-07 AU
i 3.607726329682562 1.5124e-05 deg
node 21.02433437711339 0.00012721 deg
peri 173.4479712182304 0.00016494 deg
M 293.4489337820985 0.00014954 deg
tp 2457399.422851913609
(2016-Jan-11.92285191)
0.0011767 JED
period 2374.300453302063
6.50
0.0010552
2.889e-06
d
yr
n .1516236074921896 6.7386e-08 deg/d
Q 4.780925928919403 1.4165e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.837522687035157E-8 3.709E-10
A2 [EST] -2.601356610010505E-9 6.947E-11
A3 [EST] 5.787215750790474E-9 2.089E-10
DT [EST] 37.17301770141245 1.767
  Orbit Determination Parameters
   # obs. used (total)      2599  
   data-arc span      4793 days (13.12 yr)  
   first obs. used      2001-09-16  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .7143  
   data source      ORB  
   producer      Alan B. Chamberlin  
   solution date      2014-Nov-05 07:39:00  

Additional Information
 Earth MOID = 1.18448 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. 107 2 parameter fit from 469 observations, autocmod 2.6
comet total magnitude slope K1 18.   n/a 107 autocmod 2.6
comet nuclear magnitude M2 12.7 mag 0.8 107 from 1780 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 107 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 107 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 21:14 03:11 Jupiter 0.515553959000743 0.509533438769905 0.521571066000967 3.86030269947209 3.40823466740349 2433490.384403454 190.93541166375 29815.0234124394 126.273999151044 32.4395983085085 20671.2729382422 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
1954-Mar-08 12:38 2_08:19 Jupiter 1.37757957496156 1.36847502920591 1.3866863004972 2.05864851477544 1.73444745945429 2434810.026299116 3379.23732160045 13526.8379719452 67.4905487099187 -6.64276990624112 11175.9047513644 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
1987-Jul-03 00:34 00:18 Jupiter 0.146017280909375 0.146010301782175 0.146024260863922 4.52244902374347 2.97504121191631 2446979.523848011 18.3404400311532 75.1820522653623 15.9720294871446 -87.8734929347382 99347.2650523322 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
1998-Dec-11 04:48 00:01 Jupiter 0.95962115104995 0.959595251966963 0.95964704971923 6.01543403123537 5.8668662575765 2451158.699682765 1.46791900548252 171.224052583224 12.65112024796 -1.13598825260339 86025.5223355402 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2059-Jan-18 04:03 00:11 Jupiter 0.767845083948184 0.767176419595819 0.768513337059612 5.34599536495262 5.13550714275837 2473111.668757684 10.9269462647319 4192.58098042053 58.1671977765173 -6.58423456463528 19208.7107221233 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2070-Sep-20 05:44 02:30 Jupiter 0.239334275994787 0.23882420702654 0.2398438294682 4.23148598397555 3.29048916240798 2477374.738953046 150.359334605028 1805.64001275837 87.4176157769657 -4.6754411831376 2092.81036160478 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2082-Dec-05 20:47 18:11 Jupiter 0.466701578987365 0.449614197059423 0.483421158101222 4.7500552053017 4.35122965516333 2481834.365744103 1090.59403442153 85674.8551281338 36.252963243478 -10.2627694910132 25363.1168912508 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2129-Dec-17 00:55 04:24 Jupiter 0.887008557072484 0.836702983090014 0.935250721897756 6.02560199375235 5.86498411767318 2499011.538313546 264.252424026452 366295.348300409 898.62442903355 -6.4716794383485 1599.33971877811 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2142-May-16 20:47 1_02:43 Jupiter 0.673628963193864 0.667182764732816 0.680035398956143 5.47050612142864 5.23561198880441 2503545.365864601 1602.95649940668 56226.9285050078 2410.89681378149 19.4475921909905 1255.4799791807 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42
2189-Nov-01 19:57 1_20:49 Jupiter 0.608555931571773 0.500458812045806 0.704539216416889 5.36175624161271 5.09555855993544 2520881.331279749 2689.08719833912 624943.272605654 739.32264064701 -5.66173655269093 994.705920472525 T 107 CATAB v2.0c-linF95 2014-Nov-05 07:42:02 2014-Nov-05 07:42

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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