+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15P/Finlay Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000027 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2013-Apr-24.0] K142/2 (default) [epoch=2007-Jul-24.0] K083/1 [epoch=1996-Apr-27.0] J956/4 [epoch=1988-Jun-08.0] SAO/1988 [epoch=1981-Jun-05.0] SAO/1981 [epoch=1974-Jul-12.0] SAO/1974 [epoch=1967-Jul-09.0] SAO/1967 [epoch=1960-Aug-14.0] SAO/1960 [epoch=1953-Dec-09.0] SAO/1953 [epoch=1926-Jul-24.0] SAO/1926 [epoch=1919-Oct-09.0] SAO/1919 [epoch=1906-Sep-27.0] SAO/1906 [epoch=1893-Jun-26.0] SAO/1893 [epoch=1886-Nov-30.0] SAO/1886 Orbital Elements at Epoch 2456406.5 (2013-Apr-24.0) TDB Reference: JPL K142/2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7204670323736734 2.2748e-07   a 3.486709717204069 1.5412e-07 au q .9746503145016036 8.3005e-07 au i 6.803655945058429 1.5118e-05 deg node 13.80063967391148 0.00031157 deg peri 347.5656143942961 0.00031292 deg M 267.3628070558766 1.1343e-05 deg tp 2457018.434587659678 (2014-Dec-26.93458766) 0.00010642 TDB period 2378.056205679309 6.51 0.00015767 4.317e-07 d yr n .1513841427045512 1.0037e-08 deg/d Q 5.998769119906535 2.6515e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 7.829547989193548E-10 3.501E-10 A2 [EST] 2.826333351821679E-10 1.486E-10 A3 [EST] 1.81216348966542E-9 1.63E-10   Orbit Determination Parameters    # obs. used (total)      1136      data-arc span      2841 days (7.78 yr)      first obs. used      2008-04-27      last obs. used      2016-02-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      0      norm. resid. RMS      .71002      source      ORB      producer      Davide Farnocchia      solution date      2017-Mar-15 10:56:43   Additional Information  Earth MOID = .00947474 au   Jupiter MOID = .159639 au   T_jup = 2.620  [ 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 10.3   1. K142/2 2 parameter fit from 131 observations, autocmod 2.6i comet total magnitude slope K1 19.   n/a K142/2 autocmod 2.6i comet nuclear magnitude M2 15.1   01. K142/2 from 888 observations, autocmod 2.6i comet nuclear magnitude slope K2 5.   n/a K142/2 autocmod 2.6i comet nuclear phase coefficient PC 0.03   n/a K142/2 autocmod 2.6i 15P/Finlay          Discovered 1886-Sep-26 by Finlay, W. H. at Cape of Good Hope, South Africa Reference: comet.dis Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1988.9       1988 IX   1988f   1982.4       1981 XII   1981e   1975.9       1974 X   1974d   1969.4       1967 IX   1967g   1962.9       1960 VIII   1960d   1949.9       1953 VII   1953i   1923.8       1926 V   1926d   1917.3       1919 II   1919d   1904.3       1906 V   1906d   1891.3   15P/1893 K1   1893 III   1893a   1884.8   15P/1886 S1   1886 VII   1886e  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 10:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin