+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   32P/Comas Sola Classification: Jupiter-family Comet          SPK-ID: 1000015 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2010-Jun-06.0] K142/1 (default) [epoch=2006-Mar-28.0] K053/25 [epoch=1987-Sep-02.0] J963/20 [epoch=1978-Sep-09.0] J873/4 [epoch=1969-Oct-26.0] J783/3 [epoch=1961-Apr-11.0] SAO/1961 [epoch=1952-Sep-25.0] SAO/1952 [epoch=1944-Apr-20.0] SAO/1944 [epoch=1935-Oct-05.0] SAO/1935 [epoch=1927-Mar-21.0] SAO/1927 Orbital Elements at Epoch 2455353.5 (2010-Jun-06.0) TDB Reference: JPL K142/1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5546485799036236 1.3903e-07   a 4.510068014450066 2.1979e-07 au q 2.008565194966582 7.0543e-07 au i 9.968516517217138 1.6487e-05 deg node 57.84360276824752 3.6057e-05 deg peri 53.30658848884395 3.7658e-05 deg M 195.694158684553 1.0544e-05 deg tp 2456950.200887307141 (2014-Oct-19.70088731) 0.00018988 TDB period 3498.428995759207 9.58 0.00025573 7.002e-07 d yr n .1029033318773632 7.5221e-09 deg/d Q 7.011570833933551 3.4169e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] -8.192712790761601E-9 3.634E-10 A2 [EST] 7.535444540844812E-10 1.958E-10 A3 [EST] -1.059058070811059E-9 1.673E-10 DT [EST] -187.2547654147808 8.456   Orbit Determination Parameters    # obs. used (total)      3117      data-arc span      4341 days (11.89 yr)      first obs. used      2004-07-20      last obs. used      2016-06-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      0      norm. resid. RMS      .64758      source      ORB      producer      Davide Farnocchia      solution date      2017-Feb-09 09:12:30   Additional Information  Earth MOID = 1.04298 au   Jupiter MOID = .245801 au   T_jup = 2.680  [ 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 11.0   1. K142/1 2 parameter fit from 506 observations, autocmod 2.6h comet total magnitude slope K1 9.   n/a K142/1 autocmod 2.6h comet nuclear magnitude M2 13.4   0.7 K142/1 from 2353 observations, autocmod 2.6h comet nuclear magnitude slope K2 5.   n/a K142/1 autocmod 2.6h comet nuclear phase coefficient PC 0.03   n/a K142/1 autocmod 2.6h diameter diameter 8.4 km n/a Scotti,J (1994) BAAS 26:1375   32P/Comas Sola          Discovered 1926-Nov-06 by Comas Sola, Josep at Fabra Observatory, Spain 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   1986.1       1987 XVIII   1986j   1976.5       1978 XVII   1977n   1966.9       1969 VIII   1968g   1957.3       1961 III   1960f   1947.8       1944 II   1951h   1938.2   32P/1935 P1   1935 IV   1935c   1928.6   32P/1926 V1   1927 III   1926f  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 11:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin