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IBSS (21244)
COSPAR: 1991-031B | Alt Name: IBSS/SPAS
DECAYED
Image
Additional Sources
Launch Details
Launch Date
April 28, 1991
Launch Site
Launch Pad
LC39A
Launch Vehicle
Space Shuttle
Orbital Elements
NORAD ID
21244
International Designator
1991-031B
Decay Date
5/6/1991
Basic Satellite Info
Name
IBSS
Alternative Name
IBSS/SPAS
Type
Payload
Status
Decayed
Owner
SDIO
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
The IBSS (International Ballistic Space Sensor), also known as IBSS/SPAS, is a satellite owned by SDIO (Strategic Defense Initiative Organization) and was launched on April 28, 1991, from Launch Complex 39A at Kennedy Space Center using the Space Shuttle. It has a SPAS-Platform configuration with dimensions of 4.8 meters in length, 1.5 meters in diameter, and a span of 4.8 meters. The satellite's dry mass is 1793 kg, and it had a launch mass of 1835 kg. Its purpose was to conduct SDI (Strategic Defense Initiative) experiments as a retrievable satellite. The IBSS is powered by batteries and has a shape described as "Box + Cyl" with an RCS (Reflective Cross Section) of 32.75 square meters. It was manufactured by DASAO and is registered under NORAD Catalog ID 21244, OBJECT_ID 1991-031B.
Physical Characteristics
Length
4.8
Diameter
1.5
Span
4.8
Dry Mass
1793
Launch Mass
1835
Shape
Box + Cyl
Radar Cross Section
32.75
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SPAS-2
Purpose
SDI experiments, retrievable satellite
Mission
SDI experiments, retrievable satellite
Manufacturer
DASAO
Life Expectancy
Unknown
Bus
SPAS
Configuration
SPAS-Platform
Motor
Unknown
Equipment
Unknown
Power System
Batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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