+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   62P/Tsuchinshan 1 Classification: Jupiter-family Comet          SPK-ID: 1000097 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2010-Sep-02.0] K174/10 (default) [epoch=2005-Jul-09.0] K044/15 [epoch=1991-Aug-12.0] J985/1 [epoch=1971-Sep-06.0] J986/3 [epoch=1965-Feb-09.0] SAO/1965 Orbital Elements at Epoch 2455441.5 (2010-Sep-02.0) TDB Reference: JPL K174/10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5979197246572429 1.3612e-07   a 3.442288443519422 7.0728e-08 au q 1.38407628517948 4.8003e-07 au i 9.710008204770679 8.5377e-06 deg node 90.37639124120803 5.9183e-05 deg peri 30.09980306978148 5.2932e-05 deg M 313.5126640664233 9.4518e-06 deg tp 2455742.732255059138 (2011-Jun-30.23225506) 6.358e-05 TDB period 2332.755999961775 6.39 7.1896e-05 1.968e-07 d yr n .1543238984299683 4.7563e-09 deg/d Q 5.500500601859363 1.1302e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 6.353810075169466E-9 3.919E-11 A2 [EST] -2.782798547650839E-10 7.071E-13 A3 [EST] -1.536136748581562E-9 3.34E-11   Orbit Determination Parameters    # obs. used (total)      1524      data-arc span      7520 days (20.59 yr)      first obs. used      1997-10-12      last obs. used      2018-05-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .69141      source      ORB      producer      Shantanu Naidu      solution date      2020-Aug-08 22:31:28   Additional Information  Earth MOID = .410391 au   Jupiter MOID = .193558 au   T_jup = 2.797  [ 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 7.8   1. K174/10 2 parameter fit from 302 observations, autocmod 2.8 comet total magnitude slope K1 32.5   n/a K174/10 autocmod 2.8 comet nuclear magnitude M2 15.9   0.7 K174/10 from 1001 observations, autocmod 2.8 comet nuclear magnitude slope K2 5.   n/a K174/10 autocmod 2.8 comet nuclear phase coefficient PC 0.03   n/a K174/10 autocmod 2.8 62P/Tsuchinshan 1          Discovered 1965-Jan-01 at Purple Mountain Observatory, Nanking Reference: comet.dis Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1992.3       1991 XIV   1991c1   1985.9       1985 I   1984p   1979.6       1978 IX   1978e   1973.2   62P/1971 Y1   1971 VIII   1971f   1966.8   62P/1965 A1   1965 I   1965b  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 09:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin