OBJECT = COLUMN
NAME = "SCET_FRAME_WHOLE"
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 1
BYTES = 4
DESCRIPTION = "Number of integer seconds in the spacecraft clock count
at which the current frame started"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "SCET_FRAME_FRAC"
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 5
BYTES = 2
DESCRIPTION = "Number of 2^-16 seconds in the spacecraft clock count at
which the current frame started"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "GEOMETRY_EPHEMERIS_TIME"
DATA_TYPE = IEEE_REAL
START_BYTE = 7
BYTES = 8
DESCRIPTION = "Number of seconds elapsed since Jan 1, 2000, 12:00 UTC
corresponding to SCET_FRAME + 4 * PRI, the time at which
data collection for the current frame started"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "GEOMETRY_EPOCH"
DATA_TYPE = CHARACTER
START_BYTE = 15
BYTES = 23
ITEMS = 23
ITEM_BYTES = 1
DESCRIPTION = "Time expressed in UTC format corresponding to
GEOMETRY_EPHEMERIS_TIME"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "MARS_SOLAR_LONGITUDE"
DATA_TYPE = IEEE_REAL
START_BYTE = 38
BYTES = 8
DESCRIPTION = "Angle between the Mars-Sun line at the time corresponding
to GEOMETRY_EPHEMERIS_TIME and the Mars-Sun line at the
vernal equinox, in degrees"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "MARS_SUN_DISTANCE"
DATA_TYPE = IEEE_REAL
START_BYTE = 46
BYTES = 8
DESCRIPTION = "Distance from the centre of Mars to centre of the Sun at
the time corresponding to GEOMETRY_EPHEMERIS_TIME, in Km"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "ORBIT_NUMBER"
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 54
BYTES = 4
DESCRIPTION = "Number of the current orbital revolution of the Mars
Express spacecraft around Mars at the time corresponding
to GEOMETRY_EPHEMERIS_TIME"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "TARGET_NAME"
DATA_TYPE = CHARACTER
START_BYTE = 58
BYTES = 6
ITEMS = 6
ITEM_BYTES = 1
DESCRIPTION = "Name of the celestial body being observed by MARSIS at
the time corresponding to GEOMETRY_EPHEMERIS_TIME"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "TARGET_SC_POSITION_VECTOR"
DATA_TYPE = IEEE_REAL
START_BYTE = 64
BYTES = 24
ITEMS = 3
ITEM_BYTES = 8
DESCRIPTION = "Position vector of the Mars Express spacecraft in the
reference frame of the target body at the time
corresponding to GEOMETRY_EPHEMERIS_TIME, expressed in Km
(along x, y, z axes)"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "SPACECRAFT_ALTITUDE"
DATA_TYPE = IEEE_REAL
START_BYTE = 88
BYTES = 8
DESCRIPTION = "Distance from the Mars Express spacecraft to the
reference surface of the target body measured normal to
the surface at the time corresponding to
GEOMETRY_EPHEMERIS_TIME, expressed in Km"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "SUB_SC_LONGITUDE"
DATA_TYPE = IEEE_REAL
START_BYTE = 96
BYTES = 8
DESCRIPTION = "East longitude of the point on the target body that lies
closest to the Mars Express spacecraft at the time
corresponding to GEOMETRY_EPHEMERIS_TIME, expressed in
degrees and in the [ 0 -360 ] range"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "SUB_SC_LATITUDE"
DATA_TYPE = IEEE_REAL
START_BYTE = 104
BYTES = 8
DESCRIPTION = "Planetocentric latitude of the point on the target body
that lies directly beneath the Mars Express spacecraft at
the time corresponding to GEOMETRY_EPHEMERIS_TIME,
expressed in degrees"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "TARGET_SC_VELOCITY_VECTOR"
DATA_TYPE = IEEE_REAL
START_BYTE = 112
BYTES = 24
ITEMS = 3
ITEM_BYTES = 8
DESCRIPTION = "Mars Express spacecraft velocity vector in the reference
frame of the target body at the time corresponding to
GEOMETRY_EPHEMERIS_TIME, expressed in Km/s"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "TARGET_SC_RADIAL_VELOCITY"
DATA_TYPE = IEEE_REAL
START_BYTE = 136
BYTES = 8
DESCRIPTION = "Radial component of the Mars Express spacecraft velocity
vector in the reference frame of the target body at the
time corresponding to GEOMETRY_EPHEMERIS_TIME, expressed
in Km/s"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "TARGET_SC_TANG_VELOCITY"
DATA_TYPE = IEEE_REAL
START_BYTE = 144
BYTES = 8
DESCRIPTION = "Tangential component of the Mars Express spacecraft
velocity vector in the reference frame of the target body
at the time corresponding to GEOMETRY_EPHEMERIS_TIME,
expressed in Km/s"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "LOCAL_TRUE_SOLAR_TIME"
DATA_TYPE = IEEE_REAL
START_BYTE = 152
BYTES = 8
DESCRIPTION = "Angle between the extension of the vector from the Sun to
Mars and the projection on Mars' ecliptic plane of a
vector from the center of the target body and the point on
the target body surface that lies directly beneath the
Mars Express spacecraft at the time corresponding to
GEOMETRY_EPHEMERIS_TIME, expressed on a 24-hour clock with
decimal fractions of the hour"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "SOLAR_ZENITH_ANGLE"
DATA_TYPE = IEEE_REAL
START_BYTE = 160
BYTES = 8
DESCRIPTION = "Angle between the zenith and the apparent position of the
Sun measured at the point on the target body surface that
lies directly beneath the Mars Express spacecraft at the
time corresponding to GEOMETRY_EPHEMERIS_TIME, expressed
in degrees"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "DIPOLE_UNIT_VECTOR"
DATA_TYPE = IEEE_REAL
START_BYTE = 168
BYTES = 24
ITEMS = 3
ITEM_BYTES = 8
DESCRIPTION = "Unit vector directed along MARSIS dipole Antenna in the
reference frame of the target body at the time
corresponding to GEOMETRY_EPHEMERIS_TIME"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = "MONOPOLE_UNIT_VECTOR"
DATA_TYPE = IEEE_REAL
START_BYTE = 192
BYTES = 24
ITEMS = 3
ITEM_BYTES = 8
DESCRIPTION = "Unit vector directed along MARSIS monopole Antenna in the
reference frame of the target body at the time
corresponding to GEOMETRY_EPHEMERIS_TIME"
END_OBJECT = COLUMN
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