|
| 1 | +API VERSION: 1.1 |
| 2 | +API SOURCE: NASA/JPL Horizons API |
| 3 | + |
| 4 | +******************************************************************************* |
| 5 | +JPL/HORIZONS 1 Ceres (A801 AA) 2022-Jun-10 08:56:42 |
| 6 | +Rec #: 1 (+COV) Soln.date: 2021-Apr-13_11:04:44 # obs: 1075 (1995-2021) |
| 7 | + |
| 8 | +IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): |
| 9 | + |
| 10 | + EPOCH= 2458849.5 ! 2020-Jan-01.00 (TDB) Residual RMS= .24563 |
| 11 | + EC= .07687465013145245 QR= 2.556401146697176 TP= 2458240.1791309435 |
| 12 | + OM= 80.3011901917491 W= 73.80896808746482 IN= 10.59127767086216 |
| 13 | + A= 2.769289292143484 MA= 130.3159688200986 ADIST= 2.982177437589792 |
| 14 | + PER= 4.60851 N= .213870839 ANGMOM= .028541613 |
| 15 | + DAN= 2.69515 DDN= 2.81323 L= 153.8445988 |
| 16 | + B= 10.1666388 MOID= 1.59231997 TP= 2018-May-01.6791309435 |
| 17 | + |
| 18 | +Asteroid physical parameters (km, seconds, rotational period in hours): |
| 19 | + GM= 62.6284 RAD= 469.7 ROTPER= 9.07417 |
| 20 | + H= 3.33 G= .120 B-V= .713 |
| 21 | + ALBEDO= .090 STYP= C |
| 22 | + |
| 23 | +ASTEROID comments: |
| 24 | +1: soln ref.= JPL#48, OCC=0 radar(60 delay, 0 Dop.) |
| 25 | +2: source=ORB |
| 26 | +******************************************************************************* |
| 27 | + |
| 28 | + |
| 29 | +******************************************************************************* |
| 30 | +Ephemeris / API_USER Fri Jun 10 08:56:43 2022 Pasadena, USA / Horizons |
| 31 | +******************************************************************************* |
| 32 | +Target body name: 1 Ceres (A801 AA) {source: JPL#48} |
| 33 | +Center body name: Sun (10) {source: DE441} |
| 34 | +Center-site name: BODY CENTER |
| 35 | +******************************************************************************* |
| 36 | +Start time : A.D. 2022-Jun-10 00:00:00.0000 TDB |
| 37 | +Stop time : A.D. 2022-Jul-10 00:00:00.0000 TDB |
| 38 | +Step-size : 14400 minutes |
| 39 | +******************************************************************************* |
| 40 | +Center geodetic : 0.00000000,0.00000000,0.0000000 {E-lon(deg),Lat(deg),Alt(km)} |
| 41 | +Center cylindric: 0.00000000,0.00000000,0.0000000 {E-lon(deg),Dxy(km),Dz(km)} |
| 42 | +Center radii : 696000.0 x 696000.0 x 696000.0 k{Equator, meridian, pole} |
| 43 | +Keplerian GM : 2.9591220828411951E-04 au^3/d^2 |
| 44 | +Small perturbers: Yes {source: SB441-N16} |
| 45 | +Output units : AU-D, deg, Julian Day Number (Tp) |
| 46 | +Output type : GEOMETRIC osculating elements |
| 47 | +Output format : 10 |
| 48 | +Reference frame : Ecliptic of J2000.0 |
| 49 | +******************************************************************************* |
| 50 | +Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): |
| 51 | + EPOCH= 2458849.5 ! 2020-Jan-01.00 (TDB) Residual RMS= .24563 |
| 52 | + EC= .07687465013145245 QR= 2.556401146697176 TP= 2458240.1791309435 |
| 53 | + OM= 80.3011901917491 W= 73.80896808746482 IN= 10.59127767086216 |
| 54 | + Equivalent ICRF heliocentric cartesian coordinates (au, au/d): |
| 55 | + X= 1.007608869613381E+00 Y=-2.390064275223502E+00 Z=-1.332124522752402E+00 |
| 56 | + VX= 9.201724467227128E-03 VY= 3.370381135398406E-03 VZ=-2.850337057661093E-04 |
| 57 | +Asteroid physical parameters (km, seconds, rotational period in hours): |
| 58 | + GM= 62.6284 RAD= 469.7 ROTPER= 9.07417 |
| 59 | + H= 3.33 G= .120 B-V= .713 |
| 60 | + ALBEDO= .090 STYP= C |
| 61 | +******************************************************************************* |
| 62 | + JDTDB, Calendar Date (TDB), EC, QR, IN, OM, W, Tp, N, MA, TA, A, AD, PR, |
| 63 | +************************************************************************************************************************************************************************************************************************************************************************************************************************************************** |
| 64 | +$$SOE |
| 65 | +2459740.500000000, A.D. 2022-Jun-10 00:00:00.0000, 7.857509431507990E-02, 2.549012173144731E+00, 1.058712597794349E+01, 8.026775296710701E+01, 7.356968535036279E+01, 2.459920525171203E+06, 2.142082187859277E-01, 3.214371287399738E+02, 3.153704983697174E+02, 2.766380805878023E+00, 2.983749438611315E+00, 1.680607784520964E+03, |
| 66 | +2459750.500000000, A.D. 2022-Jun-20 00:00:00.0000, 7.858376292112841E-02, 2.549023692352033E+00, 1.058706771204556E+01, 8.026756872640345E+01, 7.356246662775156E+01, 2.459920495273060E+06, 2.142037439326482E-01, 3.235863760597782E+02, 3.177937805117618E+02, 2.766419333387372E+00, 2.983814974422712E+00, 1.680642893493002E+03, |
| 67 | +2459760.500000000, A.D. 2022-Jun-30 00:00:00.0000, 7.859345715357316E-02, 2.549034456775973E+00, 1.058700882991960E+01, 8.026736396328340E+01, 7.355524826865661E+01, 2.459920465228080E+06, 2.141990066488527E-01, 3.257356070468648E+02, 3.202273031907437E+02, 2.766460121827925E+00, 2.983885786879876E+00, 1.680680063050742E+03, |
| 68 | +2459770.500000000, A.D. 2022-Jul-10 00:00:00.0000, 7.860414361068520E-02, 2.549043873533912E+00, 1.058695038677373E+01, 8.026714122872585E+01, 7.354835812167732E+01, 2.459920436348567E+06, 2.141940933158067E-01, 3.278845197635605E+02, 3.226703112488304E+02, 2.766502427656752E+00, 2.983960981779593E+00, 1.680718615658639E+03, |
| 69 | +$$EOE |
| 70 | +************************************************************************************************************************************************************************************************************************************************************************************************************************************************** |
| 71 | + |
| 72 | +TIME |
| 73 | + |
| 74 | + Barycentric Dynamical Time ("TDB" or T_eph) output was requested. This |
| 75 | +continuous relativistic coordinate time is equivalent to the relativistic |
| 76 | +proper time of a clock at rest in a reference frame comoving with the |
| 77 | +solar system barycenter but outside the system's gravity well. It is the |
| 78 | +independent variable in the solar system relativistic equations of motion. |
| 79 | + |
| 80 | + TDB runs at a uniform rate of one SI second per second and is independent |
| 81 | +of irregularities in Earth's rotation. |
| 82 | + |
| 83 | + Calendar dates prior to 1582-Oct-15 are in the Julian calendar system. |
| 84 | +Later calendar dates are in the Gregorian system. |
| 85 | + |
| 86 | +REFERENCE FRAME AND COORDINATES |
| 87 | + |
| 88 | + Ecliptic at the standard reference epoch |
| 89 | + |
| 90 | + Reference epoch: J2000.0 |
| 91 | + X-Y plane: adopted Earth orbital plane at the reference epoch |
| 92 | + Note: IAU76 obliquity of 84381.448 arcseconds wrt ICRF X-Y plane |
| 93 | + X-axis : ICRF |
| 94 | + Z-axis : perpendicular to the X-Y plane in the directional (+ or -) sense |
| 95 | + of Earth's north pole at the reference epoch. |
| 96 | + |
| 97 | + Symbol meaning [1 au= 149597870.700 km, 1 day= 86400.0 s]: |
| 98 | + |
| 99 | + JDTDB Julian Day Number, Barycentric Dynamical Time |
| 100 | + EC Eccentricity, e |
| 101 | + QR Periapsis distance, q (au) |
| 102 | + IN Inclination w.r.t X-Y plane, i (degrees) |
| 103 | + OM Longitude of Ascending Node, OMEGA, (degrees) |
| 104 | + W Argument of Perifocus, w (degrees) |
| 105 | + Tp Time of periapsis (Julian Day Number) |
| 106 | + N Mean motion, n (degrees/day) |
| 107 | + MA Mean anomaly, M (degrees) |
| 108 | + TA True anomaly, nu (degrees) |
| 109 | + A Semi-major axis, a (au) |
| 110 | + AD Apoapsis distance (au) |
| 111 | + PR Sidereal orbit period (day) |
| 112 | + |
| 113 | +ABERRATIONS AND CORRECTIONS |
| 114 | + |
| 115 | + Geometric osculating elements have NO corrections or aberrations applied. |
| 116 | + |
| 117 | +Computations by ... |
| 118 | + |
| 119 | + Solar System Dynamics Group, Horizons On-Line Ephemeris System |
| 120 | + 4800 Oak Grove Drive, Jet Propulsion Laboratory |
| 121 | + Pasadena, CA 91109 USA |
| 122 | + |
| 123 | + General site: https://ssd.jpl.nasa.gov/ |
| 124 | + Mailing list: https://ssd.jpl.nasa.gov/email_list.html |
| 125 | + System news : https://ssd.jpl.nasa.gov/horizons/news.html |
| 126 | + User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html |
| 127 | + Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x |
| 128 | + API https://ssd-api.jpl.nasa.gov/doc/horizons.html |
| 129 | + command-line telnet ssd.jpl.nasa.gov 6775 |
| 130 | + e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/hrzn_batch.txt |
| 131 | + scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS |
| 132 | + |
| 133 | +******************************************************************************* |
0 commit comments