+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   92P/Sanguin Classification: Jupiter-family Comet          SPK-ID: 1000076 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] alternate orbits: [epoch=2015-Dec-19.0] 28 (default) [epoch=1990-Apr-19.0] SAO/1990 [epoch=1977-Sep-14.0] SAO/1977 Orbital Elements at Epoch 2457375.5 (2015-Dec-19.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6593254789566613 1.9361e-07   a 5.358356865937731 5.5827e-07 au q 1.825455658882622 1.1775e-06 au i 19.44460631112987 3.8382e-05 deg node 181.4589164241891 2.4224e-05 deg peri 163.7890342412169 0.00020627 deg M 23.26762816786203 7.4862e-05 deg tp 2457082.683535729799 (2015-Mar-01.18353573) 0.00089805 TDB period 4530.49732343898 12.40 0.00070802 1.938e-06 d yr n .0794614750432594 1.2418e-08 deg/d Q 8.891258072992841 9.2634e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 3.715753605531182E-9 5.324E-10 A2 [EST] -8.373334464885918E-11 2.502E-12 A3 [EST] -1.997865932990026E-9 2.631E-10   Orbit Determination Parameters    # obs. used (total)      919      data-arc span      13943 days (38.17 yr)      first obs. used      1977-09-13      last obs. used      2015-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-BIG16      condition code      0      norm. resid. RMS      .71062      source      ORB      producer      Ryan S. Park      solution date      2015-Dec-09 11:26:49   Additional Information  Earth MOID = .826021 au   Jupiter MOID = .806561 au   T_jup = 2.410  [ 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 11.1   0.8 28 2 parameter fit from 306 observations, autocmod 2.6 comet total magnitude slope K1 17.   n/a 28 autocmod 2.6 comet nuclear magnitude M2 14.5   0.6 28 from 310 observations, autocmod 2.6 comet nuclear magnitude slope K2 5.   n/a 28 autocmod 2.6 comet nuclear phase coefficient PC 0.03   n/a 28 autocmod 2.6 diameter diameter 2.38 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (to be published)   92P/Sanguin          Discovered 1977-Oct-15 by Sanguin, J. G. at El Leoncito, Chile 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   1990.4   92P/1989 J1   1990 IV   1989z   1977.9   92P/1977 T2   1977 XII   1977p  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-07 09:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin