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GRANAT

GRANAT was a completed Soviet-led X-ray and gamma-ray astronomy mission launched on 1 December 1989 into a highly eccentric Earth orbit. Its international observatory surveyed energetic sources and transients until transmissions ended on 27 November 1998.

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Identity

Aliases
Granat missionInternational Astrophysical Observatory1989-096A
Name
GRANAT
Status
completed

Details

Astronauts
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Description
GRANAT was a completed Soviet-led X-ray and gamma-ray astronomy mission launched on 1 December 1989 into a highly eccentric Earth orbit. Its international observatory surveyed energetic sources and transients until transmissions ended on 27 November 1998.
Destination
Highly eccentric Earth orbit (approximately 2,000 by 200,000 km)
End Date
1998-11-27
Launch Site
Outcome
GRANAT operated for nearly nine years, conducting pointed observations and an all-sky survey that advanced studies of galactic-center sources, black-hole candidates, gamma-ray bursts, and other high-energy transients.
Start Date
1989-12-01
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Creation Time
August 1, 2026 at 13:20:38 UTC
Updated Time
August 1, 2026 at 13:20:38 UTC

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GRANAT - AeroVia