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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 2457164.5 (2015-May-22.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3727370234555802 1.5418e-07  
a 3.4856269155298 1.7538e-07 AU
q 2.186404714158567 6.2708e-07 AU
i 3.60763192244718 7.5691e-06 deg
node 21.00113434038639 0.00010092 deg
peri 173.3661807886999 0.00011279 deg
M 324.4491999226568 4.4844e-05 deg
tp 2457399.228949915802
(2016-Jan-11.72894992)
0.00031267 JED
period 2376.948529592801
6.51
0.00017939
4.911e-07
d
yr
n .151454688866011 1.143e-08 deg/d
Q 4.784849116901032 2.4074e-07 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 5.011875252297682E-8 1.134E-10
A2 [EST] -3.911635840796023E-9 2.064E-11
A3 [EST] 4.260934750659892E-9 6.301E-11
DT [EST] 91.18858423897939 .2984
  Orbit Determination Parameters
   # obs. used (total)      2741  
   data-arc span      9049 days (24.77 yr)  
   first obs. used      1990-01-21  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      1.3652  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2015-May-12 21:49:50  

Additional Information
 Earth MOID = 1.18562 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 5.7 mag 1. 109 2 parameter fit from 763 observations, autocmod 2.6
comet total magnitude slope K1 19.   n/a 109 autocmod 2.6
comet nuclear magnitude M2 12.7 mag 0.8 109 from 1844 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 109 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 109 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-08 03:46 00:08 Jupiter 0.690407289313583 0.689830188746699 0.690984181441062 4.31561453840471 4.02129823154815 2433470.656966243 7.60630211670954 3186.38449484075 39.5565502299086 23.3852985925364 73276.3802430103 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
1954-Jun-26 00:52 07:08 Jupiter 1.48723300611318 1.48666021464177 1.4878058016743 2.63395972720386 2.4080460108299 2434919.536022244 427.815276537253 1167.68165800515 35.2037239263203 -6.30828312326113 29903.1826059053 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
1984-May-05 04:44 1_03:08 Jupiter 1.27028653968929 1.27003645501752 1.27053663971444 1.2712357363796 0.53145786228543 2445825.697544131 1628.23456048038 159.538095818789 6.42417971589834 10.9666106905975 111988.155206829 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
1987-Jul-02 13:30 00:03 Jupiter 0.146422249719149 0.146418730927708 0.146425768559139 4.51674723772335 2.97177019618362 2446979.062364219 2.83680376506487 13.7481952462324 6.01298920156813 55.2406651240938 225825.411320502 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
1998-Dec-11 07:20 < 00:01 Jupiter 0.959730695081804 0.959727171120306 0.959734219035317 6.01507568642163 5.86651601111079 2451158.805441089 0.147804836854757 23.6247225179531 6.39731878812917 -1.43935718159322 611147.485524932 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
2059-Jan-18 06:08 00:03 Jupiter 0.752631998313275 0.75258130031043 0.752682693719738 5.30719174339323 5.0907225805687 2473111.755239524 3.1579330598804 324.438729227582 13.1144364549476 -6.23603624261647 83333.4881296212 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
2070-Sep-26 08:58 00:13 Jupiter 0.251029400935736 0.250979489531533 0.251079308627579 4.23849281728377 3.34909367495647 2477380.873474744 13.0627205340279 174.673624493829 21.0214494532941 -8.60891278476451 21732.7354537417 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
2082-Dec-08 00:57 00:06 Jupiter 0.859457698245833 0.858006482177414 0.860906949373196 6.01198513066849 5.84575935937057 2481836.539670405 5.87531570339164 10944.7886393343 11.5013713506054 -4.24719390424766 77094.1346300056 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
2141-Sep-22 05:27 01:33 Jupiter 0.594115097497851 0.591073192325471 0.597147309330977 5.07481638601523 4.78564375931199 2503308.727399545 93.258810813815 17260.8720956528 210.560996554904 -9.98821251717589 5904.48490443461 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02
2153-Aug-18 17:55 02:09 Jupiter 0.475573214860586 0.470256116252344 0.480856511492074 4.61369785048418 4.20999951375883 2507657.246357279 129.261622411522 25634.0368125618 196.350129686212 -10.448646481777 4726.26557923892 T 109 CATAB v2.0c-linF95 2015-May-12 22:02:01 2015-May-12 22:02

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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