+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   C/2001 OG108 (LONEOS) Classification: Halley-type Comet* [NEO]          SPK-ID: 1000373 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2452248.5 (2001-Dec-05.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9252594751710796 8.2844e-07   a 13.29998559717125 0.00014724 AU q .994047903749661 1.7844e-07 AU i 80.24505108816524 2.2352e-05 deg node 10.55530149865023 8.8997e-06 deg peri 116.4195132801054 1.7256e-05 deg M 357.9637958355836 3.3856e-05 deg tp 2452348.706063914770 (2002-Mar-15.20606391) 2.0345e-05 JED period 17716.38799278092 48.50 0.29421 0.0008055 d yr n .02032016910821173 3.3745e-07 deg/d Q 25.60592329059284 0.00028348 AU   Orbit Determination Parameters    # obs. used (total)      886      data-arc span      340 days      first obs. used      2001-07-28      last obs. used      2002-07-03      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      2      fit RMS      .64777      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 21:16:32   Additional Information  Earth MOID = .300836 AU   T_jup = 0.597  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 13.2 mag 1. 39 2 parameter fit from 114 observations, autocmod 2.5a comet total magnitude slope K1 12.   n/a 39 autocmod 2.5a diameter diameter 13.6 km 1.0 Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264   rotation period rot_per 57.12 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Abell, P.A.; Fernandez, Y.R.; Pravec, P.; French, L.M.; et al. (2003) Lunar & Planetary Sci. XXXIV, 1253-1254.] [Abell, P.A.; Fernandez, Y.R.; Pravec, P.; French, L.M.; et al. (2005) Icarus 179, 174-194.] geometric albedo albedo 0.054   0.008 Fernandez et al. (2005) Astron.J. 130:308-318   [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2002.2   C/2001 OG108        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-22 14:18 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin