PDS_VERSION_ID = PDS3
LABEL_REVISION_NOTE = "INITIAL ENTRY, AUTHOR UNKNOWN;
1999-03-10, A. RAUGH, PHOBOS/DEIMOS UPDATES;
1999-06-22, J. WILF, MARS UPDATES"
RECORD_TYPE = FIXED_LENGTH
RECORD_BYTES = 72
OBJECT = TARGET
TARGET_NAME = "MARS"
OBJECT = TARGET_INFORMATION
PRIMARY_BODY_NAME = "SUN"
ORBIT_DIRECTION = "PROGRADE"
ROTATION_DIRECTION = "PROGRADE"
TARGET_TYPE = "PLANET"
TARGET_DESC = "
TARGET PARAMETERS
=================
A_AXIS_RADIUS : 3397.000000
TARGET_PARAMETER_UNCERTAINTY : 4.
DATA_SOURCE_ID : RADIUS-PLANET
B_AXIS_RADIUS : 3397.000000
TARGET_PARAMETER_UNCERTAINTY : 4.
DATA_SOURCE_ID : RADIUS-PLANET
C_AXIS_RADIUS : 3375.000000
TARGET_PARAMETER_UNCERTAINTY : 4.
DATA_SOURCE_ID : RADIUS-PLANET
FLATTENING : 0.006500
TARGET_PARAMETER_UNCERTAINTY : 0.0012
DATA_SOURCE_ID : RADIUS-PLANET
MAGNETIC_MOMENT : 1200000000000.000000
TARGET_PARAMETER_UNCERTAINTY : UPPER LIMIT
TARGET_PARAMETER_EPOCH : 1987
DATA_SOURCE_ID : MAGMOMENT-PLANET
MASS : 641910000000000065536000.000000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989
DATA_SOURCE_ID : PHYSICAL-PLANET
MASS_DENSITY : 3.940000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989
DATA_SOURCE_ID : PHYSICAL-PLANET
MAXIMUM_SURFACE_PRESSURE : 0.010000
MINIMUM_SURFACE_TEMPERATURE : 148.000000
MAXIMUM_SURFACE_TEMPERATURE : 310.000000
MEAN_SURFACE_TEMPERATURE : 220.000000
EQUATORIAL_RADIUS : 3397.000000
TARGET_PARAMETER_UNCERTAINTY : 4.
DATA_SOURCE_ID : RADIUS-PLANET
MEAN_RADIUS : 3390.000000
TARGET_PARAMETER_UNCERTAINTY : 4.
DATA_SOURCE_ID : RADIUS-PLANET
SURFACE_GRAVITY : 3.720000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989
DATA_SOURCE_ID : SURFGRAV-PLANET
REVOLUTION_PERIOD : 687.000000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : REVPER-PLANET
POLE_RIGHT_ASCENSION : 317.600000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989
DATA_SOURCE_ID : ROTATION-PLANET
POLE_DECLINATION : 52.900000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989
DATA_SOURCE_ID : ROTATION-PLANET
SIDEREAL_ROTATION_PERIOD : 1.020000
TARGET_PARAMETER_UNCERTAINTY : UNK
DATA_SOURCE_ID : PHYSICAL-PLANET
MEAN_SOLAR_DAY : 1.020000
TARGET_PARAMETER_UNCERTAINTY : UNK
DATA_SOURCE_ID : MEANSOLARDAY-PLANET
OBLIQUITY : 25.200000
TARGET_PARAMETER_UNCERTAINTY : UNK
DATA_SOURCE_ID : PHYSICAL-PLANET
ORBITAL_ECCENTRICITY : 0.093000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : ELEMENTS-PLANET
ORBITAL_INCLINATION : 1.800000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : ELEMENTS-PLANET
ORBITAL_SEMIMAJOR_AXIS : 227955604.000000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : ORBSEMIMAJAX-PLANET
ASCENDING_NODE_LONGITUDE : 49.600000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : ELEMENTS-PLANET
PERIAPSIS_ARGUMENT_ANGLE : 286.400000
TARGET_PARAMETER_UNCERTAINTY : UNK
TARGET_PARAMETER_EPOCH : 1989-02-03
DATA_SOURCE_ID : PERIARGANG-PLANET
Data Source Descriptions
========================
ELEMENTS-PLANET
The 1989 Astronomical Almanac, page E3.
MAGMOMENT-PLANET
C.T. RUSSELL, CH. 5 IN GEOMAGNETISM, VOL. 2 (ACADEMIC PRESS)
MEANSOLARDAY-PLANET
Derived from three other target constants catalog elements:
REVOLUTION_PERIOD (RP), SIDEREAL_ROTATION_PERIOD (SRP), and
ROTATION_DIRECTION_TYPE (RDT) as follows:
If RDT = PROGRADE, then MSD = (RP * SRP)/(RP - SRP).
If RDT = RETROGRADE, then MSD = (RP * SRP)/(RP + SRP).
ORBSEMIMAJAX-PLANET
Derived from data from The 1989 Astronomical Almanac,
converting Mean Distance on page E3 to km using the value
for Unit Distance found on page K6.
PERIARGANG-PLANET
Derived from data from The 1989 Astronomical Almanac as
LAN-LP, where LAN is the Ascending Node Longitude and LP is
the Longitude of Perihelion, both from page E3.
PHYSICAL-PLANET
The 1989 Astronomical Almanac, page E88.
The 1989 Astronomical Almanac, page K6.
RADIUS-PLANET
Taken or derived from REPORT OF THE IAU WORKING GROUP ON
CARTOGRAPHIC COORDINATES AND ROTATIONAL ELEMENTS OF THE
PLANETS AND SATELLITES, 1988 as follows:
Given Mean Radius (MR), Equatorial Radius (ER), and Polar
Radius (PR), then this catalog defines the following:
A_AXIS_RADIUS = ER
B_AXIS_RADIUS = ER
C_AXIS_RADIUS = ER
FLATTENING = (ER - PR)/ER
REVPER-PLANET
Derived from data from The 1989 Astronomical Almanac as
360/n where n is the Daily Motion from page E3.
ROTATION-PLANET
The 1989 Astronomical Almanac, page E87.
The Astronomical Almanac, 1989, page C3.
SURFGRAV-PLANET
Derived from data in THE 1989 ASTRONOMICAL ALMANAC and the
1988 REPORT OF THE IAU WORKING GROUP ON CARTOGRAPHIC
COORDINATES as (G * MASS)/(MR * MR) where MR is MEAN RADIUS
from this catalog, MASS comes from page E88, and the
gravitational constant, G, comes from page K6.
"
END_OBJECT = TARGET_INFORMATION
OBJECT = TARGET_REFERENCE_INFORMATION
REFERENCE_KEY_ID = "UNK"
END_OBJECT = TARGET_REFERENCE_INFORMATION
END_OBJECT = TARGET
OBJECT = TARGET
TARGET_NAME = "PHOBOS"
OBJECT = TARGET_INFORMATION
PRIMARY_BODY_NAME = "MARS"
ORBIT_DIRECTION = "PROGRADE"
ROTATION_DIRECTION = "SYNCHRONOUS"
TARGET_TYPE = "SATELLITE"
TARGET_DESC = "
Phobos is the first satellite of Mars. The following properties
are from K.R. Lang, 'Astrophysical Data: Planets and Stars',
pages 70-73:
Distance from planet center: 9.37e03 km
2.76 planet radii
Orbital period: 0.3189 days
Eccentricity: 0.0150 degrees
Inclination: 1.1 degrees
Radius: 14 x 10 km
Mass: 9.6e-5 1.e23 grams
Density: ❮= 2 grams/cm^3
Visual Magnitude
at Opposition: 11.6
at Unit Distance: +11.9
Geometric Visual Albedo: 0.06"
END_OBJECT = TARGET_INFORMATION
OBJECT = TARGET_REFERENCE_INFORMATION
REFERENCE_KEY_ID = "UNK"
END_OBJECT = TARGET_REFERENCE_INFORMATION
END_OBJECT = TARGET
OBJECT = TARGET
TARGET_NAME = "DEIMOS"
OBJECT = TARGET_INFORMATION
PRIMARY_BODY_NAME = "MARS"
TARGET_TYPE = "SATELLITE"
ORBIT_DIRECTION = "PROGRADE"
ROTATION_DIRECTION = "SYNCHRONOUS"
TARGET_DESC = "
Deimos is the second satellite of Mars. The following properties
are from K.R. Lang, 'Astrophysical Data: Planets and Stars',
pages 70-73:
Distance from planet center: 23.52e03 km
6.90 planet radii
Orbital period: 1.262 days
Eccentricity: 0.0008 degrees
Inclination: 0.9 to 2.7 degrees (variable)
Radius: 8 x 6 km
Mass: 2.0e-5 1.e23 grams
Density: ❮= 2 grams/cm^3
Visual Magnitude
at Opposition: 12.7
at Unit Distance: +13.0
Geometric Visual Albedo: 0.07"
END_OBJECT = TARGET_INFORMATION
OBJECT = TARGET_REFERENCE_INFORMATION
REFERENCE_KEY_ID = "UNK"
END_OBJECT = TARGET_REFERENCE_INFORMATION
END_OBJECT = TARGET
END
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