+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   10P/Tempel 2 Classification: Jupiter-family Comet          SPK-ID: 1000094 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2011-Nov-01.0] K214/12 (default) [epoch=2008-Aug-22.0] K104/1 [epoch=1999-Sep-19.0] SAO/1999 [epoch=1994-Mar-29.0] SAO/1994 [epoch=1988-Oct-06.0] SAO/1988 [epoch=1983-May-26.0] SAO/1983 [epoch=1978-Feb-21.0] SAO/1978 [epoch=1972-Nov-19.0] SAO/1972 [epoch=1967-Aug-18.0] SAO/1967 [epoch=1962-May-16.0] SAO/1962 [epoch=1957-Feb-11.0] SAO/1957 [epoch=1951-Nov-10.0] SAO/1951 [epoch=1946-Jun-29.0] SAO/1946 [epoch=1930-Sep-21.0] SAO/1930 [epoch=1925-Jul-29.0] SAO/1925 [epoch=1920-Jun-05.0] SAO/1920 [epoch=1915-Apr-13.0] SAO/1915 [epoch=1904-Nov-16.0] SAO/1904 [epoch=1899-Aug-14.0] SAO/1899 [epoch=1894-May-12.0] SAO/1894 [epoch=1878-Sep-13.0] SAO/1878 [epoch=1873-Jun-11.0] SAO/1873 Orbital Elements at Epoch 2455866.5 (2011-Nov-01.0) TDB Reference: JPL K214/12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5362731523679858 4.7657e-08   a 3.066041929017819 6.6059e-08 au q 1.421805958451013 1.7206e-07 au i 12.02422299818989 3.3908e-06 deg node 117.8023017705041 2.6186e-05 deg peri 195.6077883346506 2.7641e-05 deg M 88.89397523406195 4.981e-06 deg tp 2455382.288178153059 (2010-Jul-04.78817815) 2.2807e-05 TDB period 1960.945670456473 5.37 6.3374e-05 1.735e-07 d yr n .1835848924443676 5.9331e-09 deg/d Q 4.710277899584625 1.0149e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 1.946055875751387E-10 2.13E-11 A2 [EST] 6.633670236343501E-12 9.81E-13 A3 [EST] 8.562285112760032E-11 3.249E-11   Orbit Determination Parameters    # obs. used (total)      3689      data-arc span      6308 days (17.27 yr)      first obs. used      2003-03-07      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6441      source      ORB      producer      Davide Farnocchia      solution date      2020-Jun-17 10:11:51   Additional Information  Earth MOID = .410424 au   Jupiter MOID = .625358 au   T_jup = 2.964  [ 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 14.1   0.7 K214/12 2 parameter fit from 940 observations, autocmod 2.8 comet total magnitude slope K1 5.5   n/a K214/12 autocmod 2.8 diameter diameter 10.6 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264   rotation period rot_per 8.93 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [A'Hearn, M.F.; Campins, H.; Schleicher, D.G.; Millis, R.L. (1989) Astrophys. J. 347, 1155-1166.] [Jewitt, D.; Luu, J. (1989) Astron. J. 97, 1766-1790.] [Wisniewski, W.Z. (1990) Icarus 86, 52-57.] [Knight, M.M.; Schleicher, D.;G.; Farnham, T.L.; Schwieterman, E.W.; Christensen, S.R. (2012) Astron. J. 144, A153.] geometric albedo albedo 0.022   0.006 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002) sigma is +0.004 and -0.006 10P/Tempel 2          Discovered 1873-Jul-03 by Tempel, William at Milan, Italy Reference: comet.dis Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1994.4       1994 VII     1989.0       1988 XIV   1987g   1983.7       1983 X   1982d   1978.3       1978 V   1977d   1972.9       1972 X   1972c   1967.6       1967 X   1967d   1962.2       1962 VI   1961b   1956.8       1957 II   1956e   1951.4       1951 VIII   1951d   1946.1       1946 III   1946b   1930.0       1930 VII   1930f   1924.6       1925 IV   1925d   1919.2       1920 II   1920a   1913.9       1915 I   1915c   1903.1       1904 III   1904c   1897.8       1899 IV   1899c   1892.4       1894 III   1894c   1876.3   10P/1878 O1   1878 III   1878b   1870.9   10P/1873 N1   1873 II   1873b  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-28 18:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin