(Translated by https://www.hiragana.jp/)
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JPL/HORIZONS NEOWISE (C/2020 F3) 2024-May-21 09:00:36
Rec #:90004566 (+COV) Soln.date: 2023-Nov-06_09:36:49 # obs: 1313 (2020-2021)
IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs):
EPOCH= 2459036.5 ! 2020-Jul-06.0000000 (TDB) RMSW= n.a.
EC= .9991780273359876 QR= .2946512452707585 TP= 2459034.1788964323
OM= 61.01042537823921 W= 37.27865629539383 IN= 128.9375027266442
A= 358.4684237945798 MA= .0003370716552046251ADIST= 716.6421963438888
PER= 6787.1049002416 N= .00014522 ANGMOM= .013202656
DAN= .32816 DDN= 2.8741 L= 35.4440788
B= 28.1074523 MOID= .36251399 TP= 2020-Jul-03.6788964323
Comet physical (GM= km^3/s^2; RAD= km):
GM= n.a. RAD= n.a.
M1= 12.1 M2= n.a. k1= 12.25 k2= n.a. PHCOF= n.a.
COMET comments
1: soln ref.= JPL#30, data arc: 2020-03-27 to 2021-06-08
2: k1=12.25;
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Ephemeris / WWW_USER Tue May 21 09:00:37 2024 Pasadena, USA / Horizons
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Target body name: NEOWISE (C/2020 F3) {source: JPL#30}
Center body name: Sun (10) {source: DE441}
Center-site name: BODY CENTER
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Start time : A.D. 2020-Jun-29 01:40:00.0000 TDB
Stop time : A.D. 2020-Jun-29 02:00:00.0000 TDB
Step-size : 1 minutes
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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 : 695700.0, 695700.0, 695700.0 km {Equator_a, b, pole_c}
Small perturbers: Yes {source: SB441-N16}
Output units : AU-D
Calendar mode : Mixed Julian/Gregorian
Output type : GEOMETRIC cartesian states
Output format : 1 (position only)
Reference frame : Ecliptic of J2000.0
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Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.):
EPOCH= 2459036.5 ! 2020-Jul-06.0000000 (TDB) RMSW= n.a.
EC= .9991780273359876 QR= .2946512452707585 TP= 2459034.1788964323
OM= 61.01042537823921 W= 37.27865629539383 IN= 128.9375027266442
Equivalent ICRF heliocentric cartesian coordinates (au, au/d):
X= 2.200839710147657E-01 Y=-1.775835172033489E-02 Z= 2.084362321325272E-01
VX= 7.944055829590419E-04 VY=-4.365012213709465E-02 VZ= 6.503966011805865E-03
Comet physical (GM= km^3/s^2; RAD= km):
GM= n.a. RAD= n.a.
M1= 12.1 M2= n.a. k1= 12.25 k2= n.a. PHCOF= n.a.
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JDTDB, Calendar Date (TDB), X, Y, Z,
**************************************************************************************************************************
$$SOE
2459029.569444444, A.D. 2020-Jun-29 01:40:00.0000, 1.589609206491727E-01, 2.871697104621853E-01, -1.640378610544297E-04,
2459029.570138889, A.D. 2020-Jun-29 01:41:00.0000, 1.589717189762982E-01, 2.871529692087740E-01, -1.423058350912435E-04,
2459029.570833333, A.D. 2020-Jun-29 01:42:00.0000, 1.589825166618300E-01, 2.871362267964445E-01, -1.205738085537793E-04,
2459029.571527778, A.D. 2020-Jun-29 01:43:00.0000, 1.589933137056690E-01, 2.871194832251644E-01, -9.884178152972936E-05,
2459029.572222222, A.D. 2020-Jun-29 01:44:00.0000, 1.590041101077166E-01, 2.871027384949015E-01, -7.710975410669917E-05,
2459029.572916667, A.D. 2020-Jun-29 01:45:00.0000, 1.590149058678738E-01, 2.870859926056236E-01, -5.537772637248081E-05,
2459029.573611111, A.D. 2020-Jun-29 01:46:00.0000, 1.590257009860417E-01, 2.870692455572983E-01, -3.364569841471694E-05,
2459029.574305556, A.D. 2020-Jun-29 01:47:00.0000, 1.590364954621215E-01, 2.870524973498937E-01, -1.191367032114986E-05,
2459029.575000000, A.D. 2020-Jun-29 01:48:00.0000, 1.590472892960143E-01, 2.870357479833774E-01, 9.818357820453226E-06,
2459029.575694445, A.D. 2020-Jun-29 01:49:00.0000, 1.590580824876211E-01, 2.870189974577172E-01, 3.155038592239983E-05,
2459029.576388889, A.D. 2020-Jun-29 01:50:00.0000, 1.590688750368431E-01, 2.870022457728810E-01, 5.328241389679826E-05,
2459029.577083333, A.D. 2020-Jun-29 01:51:00.0000, 1.590796669435814E-01, 2.869854929288366E-01, 7.501444165598091E-05,
2459029.577777778, A.D. 2020-Jun-29 01:52:00.0000, 1.590904582077371E-01, 2.869687389255520E-01, 9.674646911210589E-05,
2459029.578472222, A.D. 2020-Jun-29 01:53:00.0000, 1.591012488292112E-01, 2.869519837629950E-01, 1.184784961772939E-04,
2459029.579166667, A.D. 2020-Jun-29 01:54:00.0000, 1.591120388079049E-01, 2.869352274411334E-01, 1.402105227638277E-04,
2459029.579861111, A.D. 2020-Jun-29 01:55:00.0000, 1.591228281437192E-01, 2.869184699599351E-01, 1.619425487838029E-04,
2459029.580555555, A.D. 2020-Jun-29 01:56:00.0000, 1.591336168365551E-01, 2.869017113193683E-01, 1.836745741493030E-04,
2459029.581250000, A.D. 2020-Jun-29 01:57:00.0000, 1.591444048863139E-01, 2.868849515194006E-01, 2.054065987725609E-04,
2459029.581944444, A.D. 2020-Jun-29 01:58:00.0000, 1.591551922928964E-01, 2.868681905600004E-01, 2.271386225655727E-04,
2459029.582638889, A.D. 2020-Jun-29 01:59:00.0000, 1.591659790562038E-01, 2.868514284411354E-01, 2.488706454404841E-04,
2459029.583333333, A.D. 2020-Jun-29 02:00:00.0000, 1.591767651761372E-01, 2.868346651627734E-01, 2.706026673094159E-04,
$$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
X X-component of position vector (au)
Y Y-component of position vector (au)
Z Z-component of position vector (au)
ABERRATIONS AND CORRECTIONS
Geometric state vectors 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
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!$$SOF
COMMAND = 'C/2020 F3'
MAKE_EPHEM = 'YES'
TABLE_TYPE = 'VECTORS'
START_TIME = '2020-06-29 1:40'
STOP_TIME = '2020-06-29 2:00'
STEP_SIZE = '1 m'
CSV_FORMAT = 'YES'
LABELS = 'NO'
CENTER = '@sun'
REF_PLANE = 'ECLIPTIC'
REF_SYSTEM = 'J2000'
OUT_UNITS = 'AU-D'
VEC_TABLE = '1'