API VERSION: 1.0
API SOURCE: NASA/JPL Horizons API

*******************************************************************************
JPL/HORIZONS                  1 Ceres (A801 AA)            2021-Sep-22 17:02:01
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= 3.53                 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
*******************************************************************************


*******************************************************************************
Ephemeris / API_USER Wed Sep 22 17:02:01 2021 Pasadena, USA      / Horizons
*******************************************************************************
Target body name: 1 Ceres (A801 AA)               {source: JPL#48}
Center body name: Sun (10)                        {source: DE441}
Center-site name: BODY CENTER
*******************************************************************************
Start time      : A.D. 2000-Jan-01 00:00:00.0000 TDB
Stop  time      : A.D. 2000-Jan-01 00:00:00.5000 TDB
Step-size       : 0 steps
*******************************************************************************
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}    
Keplerian GM    : 2.9591220828411951E-04 au^3/d^2
Small perturbers: Yes                             {source: SB441-N16}
Output units    : AU-D, deg, Julian Day Number (Tp)
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=  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= 3.53                 G= .120                 B-V= .713                   
                           ALBEDO= .090            STYP= C                     
*******************************************************************************
            JDTDB,            Calendar Date (TDB),                     EC,                     QR,                     IN,                     OM,                      W,                     Tp,                      N,                     MA,                     TA,                      A,                     AD,                     PR,
**************************************************************************************************************************************************************************************************************************************************************************************************************************************************
$$SOE
2451544.500000000, A.D. 2000-Jan-01 00:00:00.0000,  7.837505574674922E-02,  2.549670145428669E+00,  1.058336066935565E+01,  8.049436497808115E+01,  7.392278720553115E+01,  2.451516163103133E+06,  2.141950384425567E-01,  6.069622713669460E+00,  7.121194154895409E+00,  2.766494289599058E+00,  2.983318433769447E+00,  1.680711199557247E+03,
$$EOE
**************************************************************************************************************************************************************************************************************************************************************************************************************************************************
Coordinate system description:

  Ecliptic at the standard reference epoch

    Reference epoch: J2000.0
    X-Y plane: adopted Earth orbital plane at the reference epoch
               Note: obliquity of 84381.448 arcseconds (IAU76) wrt ICRF equator
    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)

Geometric states/elements have no aberrations applied.


 Computations by ...
     Solar System Dynamics Group, Horizons On-Line Ephemeris System
     4800 Oak Grove Drive, Jet Propulsion Laboratory
     Pasadena, CA  91109   USA
     Information  : https://ssd.jpl.nasa.gov/
     Documentation: https://ssd.jpl.nasa.gov/?horizons_doc
     Connect      : https://ssd.jpl.nasa.gov/?horizons (browser)
                    telnet ssd.jpl.nasa.gov 6775       (command-line)
                    e-mail command interface available
                    Script and CGI interfaces available
     Author       : Jon.D.Giorgini@jpl.nasa.gov
*******************************************************************************
