+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   114P/Wiseman-Skiff Classification: Jupiter-family Comet          SPK-ID: 1000114 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2018-Mar-15.0] K203/14 (default) [epoch=2004-Aug-26.0] K135/1 [epoch=2000-Jan-17.0] SAO/2000 [epoch=1993-Jun-22.0] SAO/1993 [epoch=1986-Nov-26.0] SAO/1986 Orbital Elements at Epoch 2458192.5 (2018-Mar-15.0) TDB Reference: JPL K203/14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5544741914895498 9.0485e-08   a 3.545046939189442 3.919e-08 au q 1.579409903789873 3.3163e-07 au i 18.27315822689063 9.9901e-06 deg node 271.0622344171499 1.989e-05 deg peri 172.8443964053496 4.3387e-05 deg M 261.0292201761839 1.0724e-05 deg tp 2458862.748581100163 (2020-Jan-14.24858110) 6.7628e-05 TDB period 2437.987147576211 6.67 4.0427e-05 1.107e-07 d yr n .1476627964827064 2.4486e-09 deg/d Q 5.510683974589011 6.092e-08 au   Orbit Determination Parameters    # obs. used (total)      1802      data-arc span      5046 days (13.82 yr)      first obs. used      2006-07-21      last obs. used      2020-05-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6241      source      ORB      producer      Davide Farnocchia      solution date      2021-Feb-01 11:45:03   Additional Information  Earth MOID = .596222 au   Jupiter MOID = .182297 au   T_jup = 2.772  [ 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 14.0   0.6 K203/14 2 parameter fit from 1277 observations, autocmod 2.9a comet total magnitude slope K1 11.75   n/a K203/14 autocmod 2.9a comet nuclear magnitude M2 16.3   0.7 K203/14 from 387 observations, autocmod 2.9a comet nuclear magnitude slope K2 5.   n/a K203/14 autocmod 2.9a comet nuclear phase coefficient PC 0.03   n/a K203/14 autocmod 2.9a diameter diameter 1.56 km n/a DASTCOM value unverified 114P/Wiseman-Skiff          Discovered 1986-Dec-28 by Wiseman, Jennifer at Lowell Observatory's Anderson Mesa Station 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   1993.3   114P/1993 X2   1993 IX   1993u   1986.7   114P/1986 Y1   1986 XV   1987b  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 10:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin