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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 2457380.5 (2015-Dec-24.0) TDB
Reference: JPL 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3724795893345955 2.8627e-07  
a 3.485256958468291 7.143e-07 au
q 2.18706987785248 8.3064e-07 au
i 3.608054124346094 1.8484e-05 deg
node 20.98840722222197 0.00014053 deg
peri 173.3190905080572 0.00022305 deg
M 357.1913447215218 6.7527e-05 deg
tp 2457399.041572758702
(2016-Jan-11.54157276)
0.00045108 JED
period 2376.570113207166
6.51
0.00073061
2e-06
d
yr
n .15147880468554 4.6568e-08 deg/d
Q 4.783444039084102 9.8036e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.749863037926113E-8 3.56E-10
A2 [EST] -2.153835327618092E-9 5.821E-11
A3 [EST] 5.776156234465652E-9 2.081E-10
DT [EST] 43.49379804003502 1.796
  Orbit Determination Parameters
   # obs. used (total)      2620  
   data-arc span      5175 days (14.17 yr)  
   first obs. used      2001-09-16  
   last obs. used      2015-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .7293  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2015-Dec-14 12:34:22  

Additional Information
 Earth MOID = 1.18788 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 6.9 mag 1. 110 2 parameter fit from 538 observations, autocmod 2.6
comet total magnitude slope K1 17.   n/a 110 autocmod 2.6
comet nuclear magnitude M2 12.7 mag 0.8 110 from 1863 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 110 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 110 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-23 14:43 00:45 Jupiter 0.539309193701917 0.537150989057456 0.541466258950571 3.92065486607016 3.49719827610497 2433486.113202448 44.5139873665248 10793.8791603379 131.679679959685 30.7544424644899 20085.8961982177 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
1954-Mar-26 20:30 23:00 Jupiter 1.39484036644933 1.39180483096647 1.39787609102451 2.15684308106979 1.85403988594457 2434828.354036033 1380.02374993472 4797.20874563863 72.8980692121835 -5.81830075644464 9666.73994545631 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
1984-Apr-16 00:01 1_22:19 Jupiter 1.27303035125645 1.27210245422759 1.27395838293772 1.38868165194642 0.773122394338091 2445806.500995545 2779.11121348573 717.184377310901 22.1055715981292 9.24303172848088 29713.6505165598 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
1987-Jul-02 21:26 00:08 Jupiter 0.146031377870499 0.146024870118052 0.146037885723151 4.52199057833962 2.97453253207796 2446979.393024060 7.63810458288452 32.6506047441929 16.0990033951178 89.9474844945059 98630.867551765 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
1998-Dec-11 05:00 < 00:01 Jupiter 0.959706799506934 0.959690567491714 0.959723031389862 6.0155784045349 5.86702771314323 2451158.708352865 0.90201399975324 101.874498458341 11.4707243599501 -3.95489020881716 162883.21777154 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2059-Jan-18 06:07 00:11 Jupiter 0.765301590168894 0.765043216882796 0.765559903514726 5.33927985277258 5.1278010942747 2473111.754896742 10.6932141130011 1589.03831297549 49.6744531476393 -5.55881246792878 19611.8905256278 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2070-Sep-21 09:02 00:51 Jupiter 0.241279715858098 0.241072110194854 0.24148724475708 4.23189543181247 3.29967505172047 2477375.876459857 51.2785108807909 735.645445150784 71.6942035167409 -8.74611338502688 5619.14560998252 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2082-Dec-09 20:07 05:04 Jupiter 0.531848830203569 0.524898759750655 0.538740365027364 4.94324765874362 4.60982615256291 2481838.338193980 304.049963308784 37802.4826472683 35.3417065030428 -8.57219856178326 25789.3959968792 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2129-Dec-16 06:12 11:03 Jupiter 1.16478885865662 1.12965735080967 1.19905718347347 6.99104168495561 6.88623876627469 2499010.758333625 662.973168441119 322452.638234965 861.043049853649 -4.98062260331149 1970.0477435121 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2142-May-01 11:52 17:29 Jupiter 0.643366139952845 0.632824308968943 0.653823603615929 5.38923501339113 5.13913978059974 2503529.994232861 1049.2910136806 62614.1826859849 765.169764246022 -14.1573738130903 2688.11716421908 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2177-Jul-24 17:51 2_14:38 Jupiter 1.45434661548827 1.34941362586735 1.55287911486267 8.05324596719172 7.98059868784657 2516398.243681001 3758.47572335081 1169199.38409075 1622.19543114097 -3.21086494530625 964.654900574445 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2189-Oct-11 10:34 19:50 Jupiter 1.28265826756879 1.20038223895981 1.36059789801928 7.66844728194988 7.58184369986659 2520859.940607713 1190.45803227927 834539.953391421 485.182793165905 -2.35291597056188 1929.89809924343 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42
2196-Dec-28 16:53 3_05:52 Mars 0.0952979203447728 0.0502837941968227 0.158426128767607 10.8895931594768 10.8893172817682 2523495.203249058 4671.95281232069 3224368.49309486 2865.97603392552 -30.1577308608677 2269.56334677089 T 110 CATAB v2.0c-linF95 2015-Dec-14 12:42:02 2015-Dec-14 12:42

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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