+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   C/1983 J1 (Sugano-Saigusa-Fujikawa) Classification: Hyperbolic Comet          SPK-ID: 1000545 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2445481.5 (1983-May-27.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 1.000725620762881 1.4376e-05   a -649.551684520348 12.863 AU q .4713281888522695 4.5587e-06 AU i 96.64597560940497 0.00042538 deg node 83.04188954007337 4.7294e-05 deg peri 82.22086268552383 0.00089083 deg M .00152740512593136 4.5352e-05 deg tp 2445455.845075557169 (1983-May-01.34507556) 0.0003123 JED period n/a n/a n/a n/a d yr n 5.953652794164349E-5 1.7685e-06 deg/d Q n/a n/a AU   Orbit Determination Parameters    # obs. used (total)      46      # delay obs. used      0      # Doppler obs. used      3      data-arc span      34 days      first obs. used      1983-05-09      last obs. used      1983-06-12      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      fit RMS      1.1534      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 21:14:15   Additional Information  Earth MOID = .0486885 AU  [ 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 12.3 mag 0.5 15 2 parameter fit from 3 observations, autocmod 2.5a comet total magnitude slope K1 16.   n/a 15 autocmod 2.5a [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1983-Jun-12 19:02 < 00:01 Earth 0.0628276693343691 0.0628238081026562 0.0628315305633344 51.4334257431242 51.4326011884951 2445498.293055375 0.0335209443703924 190.431111933506 55.4467271589767 -0.30071220055458 48210.8389003417 T 15 CATAB v2.0c-linF95 2011-Sep-15 11:36:06 2011-Sep-15 13:08 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-24 01:51 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin