+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   63P/Wild 1 Classification: Jupiter-family Comet          SPK-ID: 1000106 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2014-Mar-01.0] 31 (default) [epoch=1973-Jul-17.0] SAO/1973 [epoch=1960-Mar-07.0] SAO/1960 Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6509190323024351 1.4116e-07   a 5.587749927389681 2.0523e-07 au q 1.950577151905188 8.2748e-07 au i 19.77997964011996 1.5208e-05 deg node 358.0018642381609 2.2518e-05 deg peri 169.0295202220291 0.00012716 deg M 24.1890970612711 2.0337e-05 deg tp 2456393.331340104354 (2013-Apr-10.83134010) 0.00026177 TDB period 4824.517313185734 13.21 0.0002658 7.277e-07 d yr n .07461886373919636 4.111e-09 deg/d Q 9.224922702874174 3.3882e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 3.025094249986194E-9 5.135E-10 A2 [EST] -1.100220252464464E-9 1.357E-12   Orbit Determination Parameters    # obs. used (total)      1948      data-arc span      19491 days (53.36 yr)      first obs. used      1960-04-16      last obs. used      2013-08-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      0      norm. resid. RMS      .58205      source      ORB      producer      Ryan S. Park      solution date      2014-Feb-19 14:56:15   Additional Information  Earth MOID = .960345 au   Jupiter MOID = 1.30671 au   T_jup = 2.412  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 6.5   0.8 31 2 parameter fit from 338 observations, autocmod 2.5c comet total magnitude slope K1 27.   n/a 31 autocmod 2.5c comet nuclear magnitude M2 14.3   0.6 31 from 1457 observations, autocmod 2.5c comet nuclear magnitude slope K2 5.   n/a 31 autocmod 2.5c comet nuclear phase coefficient PC 0.03   n/a 31 autocmod 2.5c diameter diameter 2.9 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (to be published)   63P/Wild 1          Discovered 1960-Mar-26 by Wild, Paul at Astronomical Institute of Berne, Switzerland discovered on plate/photo taken on discovery date Reference: comet.dis Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1973.6   63P/1973 A2   1973 VIII   1973c   1960.4   63P/1960 G1   1960 I   1960b  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 09:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin