+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   30P/Reinmuth 1 Classification: Jupiter-family Comet          SPK-ID: 1000070 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2012-Sep-13.0] K172/8 (default) [epoch=2006-Feb-08.0] K103/3 [epoch=1995-Aug-31.0] SAO/1995 [epoch=1988-Apr-29.0] SAO/1988 [epoch=1980-Nov-17.0] SAO/1980 [epoch=1973-Mar-19.0] SAO/1973 [epoch=1965-Aug-28.0] SAO/1965 [epoch=1958-Mar-18.0] SAO/1958 [epoch=1950-Jul-18.0] SAO/1950 [epoch=1935-Apr-28.0] SAO/1935 [epoch=1928-Feb-04.0] SAO/1928 Orbital Elements at Epoch 2456183.5 (2012-Sep-13.0) TDB Reference: JPL K172/8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5016105669476711 7.9921e-08   a 3.774104374713501 1.312e-07 au q 1.880973739593776 2.6142e-07 au i 8.126270446090473 9.5532e-06 deg node 119.7278627210677 6.5311e-05 deg peri 13.14619850371807 8.6103e-05 deg M 117.9230880643593 2.5161e-05 deg tp 2455306.265648905711 (2010-Apr-19.76564891) 0.00014608 TDB period 2678.053734664635 7.33 0.00013964 3.823e-07 d yr n .1344259808308446 7.0094e-09 deg/d Q 5.667235009833226 1.9701e-07 au   Orbit Determination Parameters    # obs. used (total)      1814      data-arc span      3219 days (8.81 yr)      first obs. used      2009-08-20      last obs. used      2018-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64177      source      ORB      producer      Javier Roa      solution date      2018-Oct-30 14:48:57   Additional Information  Earth MOID = .895216 au   Jupiter MOID = .15938 au   T_jup = 2.837  [ 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 13.6   01. K172/8 2 parameter fit from 420 observations, autocmod 2.6q comet total magnitude slope K1 7.   n/a K172/8 autocmod 2.6q diameter diameter 7.8 km n/a Scotti,J (1994) BAAS 26:1375   30P/Reinmuth 1          Discovered 1928-Feb-22 by Reinmuth, Karl at Heidelberg Observatory, Germany 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   1995.6           1994p   1988.3       1988 VI   1987r   1981.0       1980 VIII   1979j   1973.6       1973 IV   1972i   1966.3       1965 V   1965a   1959.0       1958 II   1957e   1951.6       1950 IV   1949f   1937.0   30P/1934 V1   1935 II   1934b   1929.6   30P/1928 D1   1928 I   1928a  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 22:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin