******************************************************************************* JPL/HORIZONS Pereyra (C/1963 R1) 2024-May-06 05:20:46 Rec #:90001983 (+COV) Soln.date: 2021-Apr-15_23:29:17 # obs: 12 (86 days) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2438327.5 ! 1963-Oct-25.0000000 (TDB) RMSW= n.a. EC= .9999449154648058 QR= .005020925779721426 TP= 2438265.4720260622 OM= 8.051859226465496 W= 86.23092019351422 IN= 144.5948157082143 A= 91.14946258545555 MA= .07025229252350294 ADIST= 182.2939042451314 PER= 870.2406600729 N= .00113259 ANGMOM= .001723782 DAN= .00942 DDN= .01075 L= 282.6727066 B= 35.317146 MOID= .55561602 TP= 1963-Aug-23.9720260622 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= n.a. M2= 14.3 k1= n.a. k2= 5. PHCOF= .030 COMET comments 1: soln ref.= JPL#2, data arc: 1963-09-23 to 1963-12-18 2: k2=5., phase coef.=0.03; ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Mon May 6 05:20:46 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: Pereyra (C/1963 R1) {source: JPL#2} Center body name: Solar System Barycenter (0) {source: DE441} Center-site name: BODY CENTER ******************************************************************************* Start time : A.D. 1800-Jan-01 00:00:00.0000 TDB Stop time : A.D. 2200-Jan-01 00:00:00.0000 TDB Step-size : 400 calendar years ******************************************************************************* Center geodetic : 0.0, 0.0, 0.0 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center radii : (undefined) Keplerian GM : 2.9630927493968080E-04 au^3/d^2 Small perturbers: Yes {source: SB441-N16} Output units : AU-D, deg, Julian Day Number (Tp) Calendar mode : Mixed Julian/Gregorian Output type : GEOMETRIC osculating elements Output format : 10 Reference frame : Ecliptic of J2000.0 ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2438327.5 ! 1963-Oct-25.0000000 (TDB) RMSW= n.a. EC= .9999449154648058 QR= .005020925779721426 TP= 2438265.4720260622 OM= 8.051859226465496 W= 86.23092019351422 IN= 144.5948157082143 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X=-4.862190286553777E-01 Y= 1.602641860878219E+00 Z=-3.722679531658106E-01 VX=-4.270969809957861E-03 VY= 1.753786792548138E-02 VZ=-3.986481112686685E-03 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= n.a. M2= 14.3 k1= n.a. k2= 5. PHCOF= .030 ******************************************************************************* JDTDB EC QR IN OM W Tp N MA TA A AD PR ******************************************************************************* $$SOE 2378496.500000000 = A.D. 1800-Jan-01 00:00:00.0000 TDB EC= 9.999488385752733E-01 QR= 4.683717167949451E-03 IN= 1.446039527575728E+02 OM= 7.158058799212579E+00 W = 8.557354472837346E+01 Tp= 2438265.561464555096 N = 1.125960636108691E-03 MA= 2.927023895337501E+02 TA= 1.803487895744271E+02 A = 9.154782520152979E+01 AD= 1.830909666858916E+02 PR= 3.197269855224748E+05 2524593.500000000 = A.D. 2200-Jan-01 00:00:00.0000 TDB EC= 9.999358254031941E-01 QR= 5.370530724839244E-03 IN= 1.445859393476921E+02 OM= 8.212598523821537E+00 W = 8.642411206095339E+01 Tp= 2438265.381100573111 N = 1.288291585439294E-03 MA= 1.112157891649343E+02 TA= 1.797921647319322E+02 A = 8.368624022819745E+01 AD= 1.673671099256700E+02 PR= 2.794398442626199E+05 $$EOE ******************************************************************************* TIME Barycentric Dynamical Time ("TDB" or T_eph) output was requested. This continuous coordinate time is equivalent to the relativistic proper time of a clock at rest in a reference frame co-moving with the solar system barycenter but outside the system's gravity well. It is the independent variable in the solar system relativistic equations of motion. TDB runs at a uniform rate of one SI second per second and is independent of irregularities in Earth's rotation. CALENDAR SYSTEM Mixed calendar mode was active such that calendar dates after AD 1582-Oct-15 (if any) are in the modern Gregorian system. Dates prior to 1582-Oct-5 (if any) are in the Julian calendar system, which is automatically extended for dates prior to its adoption on 45-Jan-1 BC. The Julian calendar is useful for matching historical dates. The Gregorian calendar more accurately corresponds to the Earth's orbital motion and seasons. A "Gregorian-only" calendar mode is available if such physical events are the primary interest. REFERENCE FRAME AND COORDINATES Ecliptic at the standard reference epoch Reference epoch: J2000.0 X-Y plane: adopted Earth orbital plane at the reference epoch Note: IAU76 obliquity of 84381.448 arcseconds wrt ICRF X-Y plane X-axis : ICRF Z-axis : perpendicular to the X-Y plane in the directional (+ or -) sense of Earth's north pole at the reference epoch. Symbol meaning [1 au= 149597870.700 km, 1 day= 86400.0 s]: JDTDB Julian Day Number, Barycentric Dynamical Time EC Eccentricity, e QR Periapsis distance, q (au) IN Inclination w.r.t X-Y plane, i (degrees) OM Longitude of Ascending Node, OMEGA, (degrees) W Argument of Perifocus, w (degrees) Tp Time of periapsis (Julian Day Number) N Mean motion, n (degrees/day) MA Mean anomaly, M (degrees) TA True anomaly, nu (degrees) A Semi-major axis, a (au) AD Apoapsis distance (au) PR Sidereal orbit period (day) ABERRATIONS AND CORRECTIONS Geometric osculating elements have NO corrections or aberrations applied. Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA General site: https://ssd.jpl.nasa.gov/ Mailing list: https://ssd.jpl.nasa.gov/email_list.html System news : https://ssd.jpl.nasa.gov/horizons/news.html User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x API https://ssd-api.jpl.nasa.gov/doc/horizons.html command-line telnet ssd.jpl.nasa.gov 6775 e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/hrzn_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF COMMAND = '1963 R1' TABLE_TYPE = 'ELEMENTS' START_TIME = '1800-01-01' STOP_TIME = '2200-01-01' STEP_SIZE = '400 years' CENTER = '@0' OUT_UNITS = 'AU-D'