API VERSION: 1.1
API SOURCE: NASA/JPL Horizons API

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JPL/HORIZONS                  1 Ceres (A801 AA)            2022-Jun-10 08:57:46
Rec #:       1 (+COV) Soln.date: 2021-Apr-13_11:04:44   # obs: 1075 (1995-2021)
 
IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs):
 
  EPOCH=  2458849.5 ! 2020-Jan-01.00 (TDB)         Residual RMS= .24563
   EC= .07687465013145245  QR= 2.556401146697176   TP= 2458240.1791309435
   OM= 80.3011901917491    W=  73.80896808746482   IN= 10.59127767086216
   A= 2.769289292143484    MA= 130.3159688200986   ADIST= 2.982177437589792
   PER= 4.60851            N= .213870839           ANGMOM= .028541613
   DAN= 2.69515            DDN= 2.81323            L= 153.8445988
   B= 10.1666388           MOID= 1.59231997        TP= 2018-May-01.6791309435
 
Asteroid physical parameters (km, seconds, rotational period in hours):
   GM= 62.6284             RAD= 469.7              ROTPER= 9.07417
   H= 3.33                 G= .120                 B-V= .713
                           ALBEDO= .090            STYP= C
 
ASTEROID comments: 
1: soln ref.= JPL#48, OCC=0           radar(60 delay, 0 Dop.)
2: source=ORB
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Ephemeris / API_USER Fri Jun 10 08:57:46 2022 Pasadena, USA      / Horizons
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Target body name: 1 Ceres (A801 AA)               {source: JPL#48}
Center body name: Sun (10)                        {source: DE441}
Center-site name: BODY CENTER
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Start time      : A.D. 2022-Jun-10 00:00:00.0000 TDB
Stop  time      : A.D. 2022-Jul-10 00:00:00.0000 TDB
Step-size       : 14400 minutes
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Center geodetic : 0.00000000,0.00000000,0.0000000 {E-lon(deg),Lat(deg),Alt(km)}
Center cylindric: 0.00000000,0.00000000,0.0000000 {E-lon(deg),Dxy(km),Dz(km)}
Center radii    : 696000.0 x 696000.0 x 696000.0 k{Equator, meridian, pole}    
Small perturbers: Yes                             {source: SB441-N16}
Output units    : AU-D
Output type     : GEOMETRIC cartesian states
Output format   : 3 (position, velocity, LT, range, range-rate)
Reference frame : Ecliptic of J2000.0
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Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.):
  EPOCH=  2458849.5 ! 2020-Jan-01.00 (TDB)         Residual RMS= .24563        
   EC= .07687465013145245  QR= 2.556401146697176   TP= 2458240.1791309435      
   OM= 80.3011901917491    W=  73.80896808746482   IN= 10.59127767086216       
  Equivalent ICRF heliocentric cartesian coordinates (au, au/d):
   X= 1.007608869613381E+00  Y=-2.390064275223502E+00  Z=-1.332124522752402E+00
  VX= 9.201724467227128E-03 VY= 3.370381135398406E-03 VZ=-2.850337057661093E-04
Asteroid physical parameters (km, seconds, rotational period in hours):        
   GM= 62.6284             RAD= 469.7              ROTPER= 9.07417             
   H= 3.33                 G= .120                 B-V= .713                   
                           ALBEDO= .090            STYP= C                     
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            JDTDB,            Calendar Date (TDB),                      X,                      Y,                      Z,                     VX,                     VY,                     VZ,                     LT,                     RG,                     RR,
**************************************************************************************************************************************************************************************************************************************************************************
$$SOE
2459740.500000000, A.D. 2022-Jun-10 00:00:00.0000, -8.354726583796999E-01,  2.455132459520164E+00,  2.314862198331841E-01, -1.000026022185188E-02, -4.171663864644086E-03,  1.710462301123233E-03,  1.503774163127625E-02,  2.603704250997457E+00, -5.726821390832905E-04,
2459750.500000000, A.D. 2022-Jun-20 00:00:00.0000, -9.347458493663700E-01,  2.411365344494129E+00,  2.483916160514805E-01, -9.851435289847136E-03, -4.580973827631285E-03,  1.670099559230883E-03,  1.500538241577036E-02,  2.598101426515064E+00, -5.476978463936174E-04,
2459760.500000000, A.D. 2022-Jun-30 00:00:00.0000, -1.032442649066608E+00,  2.363530154574458E+00,  2.648779352961165E-01, -9.684997432621705E-03, -4.985132136836112E-03,  1.626654404453855E-03,  1.497449784523915E-02,  2.592753928895136E+00, -5.216233014813530E-04,
2459770.500000000, A.D. 2022-Jul-10 00:00:00.0000, -1.128387470845915E+00,  2.311682815778683E+00,  2.809145935195726E-01, -9.501062945928338E-03, -5.383255974656968E-03,  1.580176376657430E-03,  1.494514969917747E-02,  2.587672454925616E+00, -4.945005055314659E-04,
$$EOE
**************************************************************************************************************************************************************************************************************************************************************************
 
TIME

  Barycentric Dynamical Time ("TDB" or T_eph) output was requested. This
continuous relativistic coordinate time is equivalent to the relativistic
proper time of a clock at rest in a reference frame comoving 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 dates prior to 1582-Oct-15 are in the Julian calendar system.
Later calendar dates are in the Gregorian system.

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)
      VX     X-component of velocity vector (au/day)                           
      VY     Y-component of velocity vector (au/day)                           
      VZ     Z-component of velocity vector (au/day)                           
      LT     One-way down-leg Newtonian light-time (day)
      RG     Range; distance from coordinate center (au)
      RR     Range-rate; radial velocity wrt coord. center (au/day)

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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