+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   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 ] alternate orbits: [epoch=2010-07-03.0] 106 (default) [epoch=2003-02-10.0] SAO/2003 [epoch=1996-08-25.0] SAO/1996 [epoch=1990-07-08.0] SAO/1990 Orbital Elements at Epoch 2455380.5 (2010-Jul-03.0) TDB Reference: JPL 106 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3743512480847117 1.7924e-07   a 3.476690922984567 1.6015e-07 AU q 2.175187336760506 6.8844e-07 AU i 3.612282718016135 8.2622e-06 deg node 21.02632213591965 9.5185e-05 deg peri 173.6045561662417 0.00010914 deg M 53.08511538248159 2.8277e-05 deg tp 2455031.345360422865 (2009-Jul-18.84536042) 0.0001738 JED period 2367.813827701483 6.48 0.00016361 4.479e-07 d yr n .152038980340555 1.0505e-08 deg/d Q 4.778194509208628 2.201e-07 AU Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 2.444351850935107E-8 1.568E-10 A2 [EST] -1.109271416552819E-9 2.383E-11 A3 [EST] 3.806312550632595E-9 7.448E-11 DT [EST] 79.81001322022671 .5755   Orbit Determination Parameters    # obs. used (total)      2981      data-arc span      5675 days (15.54 yr)      first obs. used      1995-01-03      last obs. used      2010-07-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .81448      data source      ORB      producer      Alan B. Chamberlin      solution date      2010-Jul-23 10:01:13   Additional Information  Earth MOID = 1.17527 AU   T_jup = 3.010  [ 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 5.5 mag 1. 106 2 parameter fit from 663 observations, autocmod 2.4a comet total magnitude slope K1 19.   n/a 106 autocmod 2.4a comet nuclear magnitude M2 12.7 mag 0.8 106 from 1782 observations, autocmod 2.4a comet nuclear magnitude slope K2 5.   n/a 106 autocmod 2.4a comet nuclear phase coefficient PC 0.03   n/a 106 autocmod 2.4a 116P/Wild 4          Discovered 1990-Jan-21 by Wild, Paul at Astronomical Institute, Berne University Reference: comet.dis Last 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-12 22:27 00:06 Jupiter 0.621252112897342 0.620250919740063 0.622252774720423 4.13359280739201 3.78942814373299 2433475.435662991 6.15129834338063 5258.87755500691 40.5627663134209 26.1457577871158 68297.5556925601 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 1954-May-19 04:37 12:10 Jupiter 1.44812294018673 1.44696331951976 1.44928257771362 2.43960477951021 2.18674419441736 2434881.692854805 730.787200385307 2147.05335438127 34.4236226775646 -5.19330672941358 21671.8310758621 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 1984-Apr-25 12:33 1_08:39 Jupiter 1.27163142000469 1.2711493541458 1.27211353113205 1.32991218857598 0.660669334754589 2445816.023265878 1959.91300636417 340.599020843691 9.00638845228629 10.204384709547 76731.773934787 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 1987-Jul-02 10:55 00:02 Jupiter 0.146090998152941 0.1460855105566 0.146096485814246 4.52031551209458 2.97278173972083 2446978.954899413 2.61234925244199 14.802176258826 10.8070771160485 32.1429546142586 119589.568377717 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 1998-Dec-11 05:35 < 00:01 Jupiter 0.960011814818723 0.960007797702257 0.960015831925728 6.01610661068149 5.86761707887844 2451158.732858677 0.339227637661946 26.269985363529 6.63994792462571 -2.6198811101848 555627.01978398 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2042-Nov-04 19:19 00:03 Ceres 0.0297755803690483 0.0297324998655773 0.0298186882712492 6.11078732231993 6.11078500046894 2467193.304926607 3.3936758347067 2575.90797804421 267.459135889357 33.9587564907103 9377.80215786267 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2059-Jan-18 12:59 00:03 Jupiter 0.757339554627202 0.757259015484358 0.757420088163369 5.31847339626436 5.10385367661268 2473112.041353638 3.95807653354387 485.557829869272 14.0852538912447 -6.21514337623225 75415.32704978 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2070-Sep-24 23:10 00:16 Jupiter 0.247562032080626 0.247496558977805 0.247627496707691 4.23436409201157 3.3297038574943 2477379.465810546 16.3834692755826 237.691585959179 23.2387367186448 -7.24382552648024 15685.5826524609 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2082-Dec-11 22:13 00:19 Jupiter 0.741841997009954 0.739689345884963 0.743989862415388 5.61578684290808 5.40865010748013 2481840.426062473 19.9300996454215 14654.6407527903 11.3615709574365 -5.34977688108025 79363.7384172839 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2141-Dec-03 01:26 16:23 Jupiter 0.3242044259475 0.321310029810636 0.327089718217928 4.33872306104768 3.68772022520677 2503380.560086200 983.143777203518 10767.7163199724 201.093036584308 -6.2182687006928 1580.31476995593 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 2153-Sep-12 01:18 04:30 Jupiter 0.705948799537461 0.671703082363836 0.739064439007079 5.17744319105866 4.94026787714408 2507681.554853894 270.456963332012 200733.411544948 309.014904052983 -5.55313218662953 2638.54875532748 T 106 CATAB v2.0c-linF95 2010-Jul-23 10:05:01 2010-Jul-23 10:05 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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-19 20:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin