+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   4P/Faye Classification: Jupiter-family Comet          SPK-ID: 1000026 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2008-01-01.0] K063/19 (default) [epoch=2000-01-17.0] 49 [epoch=1991-10-31.0] SAO/1991 [epoch=1984-06-29.0] SAO/1984 [epoch=1977-02-26.0] SAO/1977 [epoch=1969-10-26.0] SAO/1969 [epoch=1962-05-16.0] SAO/1962 [epoch=1955-02-22.0] SAO/1955 [epoch=1947-09-12.0] SAO/1947 [epoch=1940-05-11.0] SAO/1940 [epoch=1932-11-29.0] SAO/1932 [epoch=1925-07-29.0] SAO/1925 [epoch=1910-10-16.0] SAO/1910 [epoch=1896-03-22.0] SAO/1896 [epoch=1888-08-31.0] SAO/1888 [epoch=1881-02-09.0] SAO/1881 [epoch=1873-07-21.0] SAO/1873 [epoch=1866-02-08.0] SAO/1866 [epoch=1858-08-29.0] SAO/1858 [epoch=1851-03-19.0] SAO/1851 [epoch=1843-10-07.0] SAO/1843 Orbital Elements at Epoch 2454466.5 (2008-Jan-01.0) TDB Reference: JPL K063/19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.5666996930746664995481 6.7602e-08   a 3.8468554430025339030407 5.3059e-07 AU q 1.6668436441503879930081 2.8288e-07 AU i 9.0326420735810071249716 6.9671e-06 deg node 199.2981744211227 4.3826e-05 deg peri 204.9946138410795 6.1543e-05 deg M 53.76576097724362 1.4409e-05 deg tp 2454054.914067051241 (2006-Nov-15.41406705) 7.2542e-05 JED period 2755.860480134684 7.55 0.00057016 1.561e-06 d yr n .1306307059428517 2.7026e-08 deg/d Q 6.02686724185468 8.3127e-07 AU Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 5.475803422629188E-9 9.585E-11 A2 [EST] -3.179880665364854E-10 4.304E-12 A3 [EST] -5.34379483205661E-10 5.483E-11   Orbit Determination Parameters    # obs. used (total)      3399      data-arc span      6203 days (16.98 yr)      first obs. used      1991-04-16      last obs. used      2008-04-09      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .66567      data source      ORB      producer      Nick Mastrodemos      solution date      2008-Apr-17 16:52:20   Additional Information  Earth MOID = .680189 AU   T_jup = 2.752  [ 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 10.4 mag 1. K063/19 2 parameter fit from 580 observations, autocmod 2.4a comet total magnitude slope K1 12.   n/a K063/19 autocmod 2.4a comet nuclear magnitude M2 13.3 mag 0.8 K063/19 from 2153 observations, autocmod 2.4a comet nuclear magnitude slope K2 5.   n/a K063/19 autocmod 2.4a comet nuclear phase coefficient PC 0.03   n/a K063/19 autocmod 2.4a diameter diameter 3.54 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264   4P/Faye          Discovered 1843-Nov-23 by Faye, Herve at Paris, France Reference: comet.dis Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1991.8       1991 XXI   1991n   1984.2       1984 XI   1984h   1976.7       1977 IV   1976i   1969.1       1969 VI   1969a   1961.6       1962 VII   1961c   1954.1       1955 II   1954e   1946.5       1947 IX   1947f   1939.0       1940 II   1939m   1931.4       1932 IX   1932l   1923.9       1925 V   1925h   1908.8       1910 V   1910e   1893.7       1896 II   1895b   1886.1       1888 IV   1888d   1878.6       1881 I   1880c   1871.1       1873 III   1873f   1863.5       1866 II     1856.0       1858 V     1848.4   4P/1850 W1   1851 I     1840.9   4P/1843 W1   1843 III    [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-24 06:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin