| definition
| - Meteosat-P2 (Meteosat 3) was launched on June 15, 1988 from Kourou,
French Guiana. Meteosat 3 is a refurbished protoype of Meteosat-2.
In general, the design, the instrumentation, and the operation are
similar to SMS/GOES. The cylindrically shaped spacecraft measures 210
cm in diameter and 430 cm in length, including the apogee boost motor.
The primary structural members are an equipment platform and a central
tube. The radiometer telescope is mounted on the equipment platform
and views the earth through a special aperture in the side of the
spacecraft. A support structure extends radially out from the central
tube and is affixed to the solar panels, which form the outer walls of
the spacecraft. These solar panels provide the primary source of
electrical power. Located in the annulus-shaped space between the
central tube and the solar panels are station-keeping and dynamics
control equipment and batteries. Proper spacecraft attitude and spin
rate (approximately 100 rpm) are maintained by jet thrusters mounted
on the spacecraft and activated by ground command. The spacecraft uses
both UHF-band and S-band frequencies in the telemetry and command
systems. During launch, a lower power VHF transponder provides
telemetry and command. After launch, the VHF transponder then serves
as a backup for the primary subsystem once the spacecraft attains
synchronous orbit.
The spin-stabilized, geostationary spacecraft carries (1) a visible-IR
radiometer to provide high-quality, day/night cloud-cover data and to
take radiance temperatures of the earth/atmosphere system, and (2) a
meteorological data collection system to disseminate image data to
user stations, to collect data from various earth-based platforms, and
to relay data from polar-orbiting satellites. Orbital
Characteristics-
Orbital Period: 1439.00 m
Inclination: 0.50 degrees Eccentricity: 0.00110
Periapsis: 35796.00 km Apoapsis: 35889.00 km
For information on the European Space Agency (ESA) and the Meteosat
Program, see the URL: http://www.esrin.esa.it
To view a 3D orbit, observe the J Track satellite tracking web page:
http://liftoff.msfc.nasa.gov/RealTime/JTrack/
-----------------
Entry taken from:
Taken from the NSSDC System for Information Retrieval and Storage
(SIRS). For more information contact the NSSDC Coordinated Request
and User Support Office, 301-286-6695 (NASA Goddard Space Flight
Center, Code 933.4, Greenbelt, Maryland 20771, USA,
http://nssdc.gsfc.nasa.gov/).
Group: Platform_Details
Entry_ID: METEOSAT-3
Group: Platform_Identification
Platform_Category: Earth Observation Satellites
Platform_Series_or_Entity: METEOSAT
Short_Name: METEOSAT-3
End_Group
End_Group (en)
|
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