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Gamma

retired

Гамма

Science ExplorationLEOCOSPAR 1990-058ALaunched 7/11/1990
Admin Edit
Mission & Launch
Launch Mission
Gamma Mission
Launch Vehicle
Soyuz-U2
Launch Date
7/11/1990
Last Contact
2/28/1992
Orbit & Mass
Orbit Class
LEO
Altitude
420.5 km
Inclination
51.62 deg
Dry Mass
7,000 kg
Total Mass
7,320 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
AST
Payload Class
C
Organizations
Operator
NPO Energomash
Manufacturer
NPO Energomash
Registry
COSPAR ID
1990-058A
UN Registration
ST/SG/SER.E/232
Track
Mentions
104
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

The Cherenkov Telescope Array Observatory (CTAO) will be the largest and most powerful observatory in the world for gamma-ray astronomy upon completion.

GeneralCapabilityValue 2.0Oct 6, 2025Cherenkov Telescope Array Observatory (CTAO): avvio a Padova
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ASI's prototype detector, built in Italy under INAF guidance, detected the Crab gamma pulsar in just 700 seconds of observation.

CapabilityValue 4.0Sep 26, 2025Selfie satellite completes mission milestone for Australia

These gamma ray bursts are critical for astronomers and the satellite will serve as an early warning system to alert ground-based observatories.

CapabilityGeneralValue 2.0Sep 26, 2025Selfie satellite completes mission milestone for Australia

Equipped with the HERMES X-ray detector, the nanosatellite will scan the cosmos for gamma ray bursts.

CapabilityValue 4.0Sep 26, 2025Selfie satellite completes mission milestone for Australia

NASA's Swift Observatory was launched in 2004 to explore gamma-ray bursts.

GeneralValue 3.2Sep 25, 2025Swift Spacecraft Orbit Boost

Tsinghua University led the development of a Compton telescope for gamma-ray particle detection on Yunyao-1-27.

CapabilityGeneralValue 3.0Sep 5, 2025Galactic Energy Lofts Three Satellites Into Orbit [Ceres-1 Y15]

Yunyao-1-27 carries a Compton telescope for gamma-ray particle detection led by Tsinghua University.

CapabilityValue 4.0Sep 5, 2025Galactic Energy Lofts Three Satellites Into Orbit [Ceres-1 Y15]

Intuitive Machines' third Moon landing is planned for 2026 at Reiner Gamma to study its composition and magnetic fields.

PlanCapabilityValue 4.3Aug 4, 2025Everything you need to know about NASA CLPS Moon landing missions

DRO-A carries an all-sky detector to monitor gamma-ray bursts from highly energetic cosmic objects.

CapabilityValue 4.0Apr 21, 2025Moon Monday #222: How China navigated failure to nail down lunar navigation success

York Space Systems passed System Requirements Review for 10 satellites under the Space Development Agency’s Tranche 2 Transport Layer Gamma variant.

PlanCapabilityValue 4.0Dec 18, 2024York Space Systems Demonstrates Design Success in Two Programs

The Gamma 201 engine produced a thrust of 16,400 pounds-force (73.0 kilonewtons).

CapabilityValue 4.6Sep 30, 2024Isle of Wight aerospace: flying boats, rocket interceptors, hovercraft, and launch vehicles (part 2)

The first stage of Black Knight was powered by an Armstrong Siddeley Gamma engine.

CapabilityValue 4.0Sep 30, 2024Isle of Wight aerospace: flying boats, rocket interceptors, hovercraft, and launch vehicles (part 2)

The second stage of Black Arrow utilized a Gamma 2 engine that generated 15,340 pounds-force (68.3 kilonewtons) of thrust.

CapabilityValue 4.8Sep 30, 2024Isle of Wight aerospace: flying boats, rocket interceptors, hovercraft, and launch vehicles (part 2)

The Gamma 301 engine later used in Black Knight produced a thrust of 21,600 pounds-force (96.1 kilonewtons).

CapabilityValue 4.0Sep 30, 2024Isle of Wight aerospace: flying boats, rocket interceptors, hovercraft, and launch vehicles (part 2)

The first stage of Black Arrow used a Gamma 8 engine producing 50,000 pounds-force (222.5 kilonewtons) of thrust.

CapabilityValue 4.0Sep 30, 2024Isle of Wight aerospace: flying boats, rocket interceptors, hovercraft, and launch vehicles (part 2)

Terran Orbital will perform design, construction, integration, testing, and delivery of 10 T2TL Gamma satellites based on the Ambassador platform.

PlanCapabilityRelationshipsValue 4.2Aug 19, 2024Terran Orbital’s Tyvak Awarded $254 million Prototype Agreement for Tranche 2 Transport Layer (T2TL) Gamma for Space Development Agency

Tyvak Nano-Satellite Systems was awarded a $254,000,000 prototype agreement for the Tranche 2 Transport Layer (T2TL) Gamma for the Space Development Agency.

RelationshipsFinancialPlanValue 5.0Aug 19, 2024Terran Orbital’s Tyvak Awarded $254 million Prototype Agreement for Tranche 2 Transport Layer (T2TL) Gamma for Space Development Agency

Terran Orbital will integrate the associated ground control system and execute Launch and Early Operations (LEOPs) for the 10 T2TL Gamma satellites.

RelationshipsPlanCapabilityValue 4.0Aug 19, 2024Terran Orbital’s Tyvak Awarded $254 million Prototype Agreement for Tranche 2 Transport Layer (T2TL) Gamma for Space Development Agency

The Space Development Agency selected Tyvak to produce 10 satellites for the Tranche 2 Transport Layer Gamma contract.

RelationshipsPlanValue 4.4Aug 19, 2024Terran Orbital’s Tyvak Awarded $254 million Prototype Agreement for Tranche 2 Transport Layer (T2TL) Gamma for Space Development Agency

The T2TL-Gamma optically-linked satellites are intended to provide enhanced communications and missile tracking capabilities for the Space Development Agency's proliferated space architecture.

CapabilityGeneralValue 3.6Aug 16, 2024York Space Systems Selected by Space Development Agency to Deliver 10 Satellites for Tranche 2 Transport Layer Gamma