Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin

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

York Space Systems was awarded a contract by the Space Development Agency to develop and deliver 10 satellites for the Tranche 2 Transport Layer Gamma (T2TL-Gamma) variant of the Proliferated Warfighter Space Architecture.

RelationshipsPlanValue 4.8Aug 16, 2024York Space Systems Selected by Space Development Agency to Deliver 10 Satellites for Tranche 2 Transport Layer Gamma
Page5of6

The T2TL-Gamma satellites are designed with four optical communication terminals and an advanced warfighting payload capability.

CapabilityValue 4.0Aug 16, 2024York Space Systems Selected by Space Development Agency to Deliver 10 Satellites for Tranche 2 Transport Layer Gamma

Swift’s Ultraviolet/Optical Telescope imaged the kilonova produced by the merging neutron stars in galaxy NGC 4993 on 2017-08-18, about 15 hours after the gravitational waves and gamma-ray burst were detected.

CapabilityGeneralValue 4.5Mar 24, 2024NASA’s Tiny BurstCube mission launched to study cosmic blasts

LEAP was proposed to study gamma-ray bursts using an instrument mounted on the International Space Station.

PlanCapabilityValue 3.0Feb 14, 2024NASA selects ultraviolet astronomy mission but delays its launch two years

The Space Development Agency sought industry feedback for the Tranche 2 Transport Layer Gamma (T2TL Gamma) draft solicitation.

PlanGeneralValue 2.0Jan 21, 2024SDA’s draft solicitation for Tranche 2 Transport Layer- Gamma variant space vehicles

The Space Development Agency expects to procure approximately 20 T2TL Gamma space vehicles with a payload specifically designed to close future kill chains via the Proliferated Warfighter Space Architecture.

PlanRelationshipsCapabilityValue 4.5Jan 21, 2024SDA’s draft solicitation for Tranche 2 Transport Layer- Gamma variant space vehicles

A draft solicitation states SDA intends to select one vendor to supply all 20 Tranche 2 Gamma satellites.

RelationshipsPlanValue 4.0Jan 15, 2024SDA to acquire satellites with custom payloads to enable faster targeting on battlefields

Only the 20 Gamma satellites in Tranche 2 will have four optical terminals and the Warlock payload.

CapabilityValue 4.0Jan 15, 2024SDA to acquire satellites with custom payloads to enable faster targeting on battlefields

The Space Development Agency planned to acquire 44 Gamma satellites for Transport Layer Tranche 2 but is revising those plans.

PlanGrowthGeneralValue 4.2Oct 20, 2023Space Development Agency awards York Space $615 million contract for 62 satellites

The plan for Transport Layer Tranche 2 includes moving 24 satellite slots from Gamma to Beta.

PlanGrowthValue 3.8Oct 20, 2023Space Development Agency awards York Space $615 million contract for 62 satellites

The Space Development Agency is in discussions with a third Beta vendor to produce an additional 24 satellites that would include some Gamma capabilities.

RelationshipsPlanCapabilityValue 4.0Oct 20, 2023Space Development Agency awards York Space $615 million contract for 62 satellites

The OLC049, OLC249, and OLC449 optocouplers are designed for large satellite constellation applications that require optical isolation in radiation environments such as gamma, neutron, and proton radiation and provide a high current transfer ratio (CTR) and low saturation VCE.

CapabilityGeneralValue 4.3May 3, 2023Skyworks to Showcase its High-Reliability RF and Opto Solutions at Space Tech Expo 2023

Christopher Morrison of Ultra Safe Nuclear Corporation – Space in Seattle received a 2023 NIAC Phase I grant for 'EmberCore Flashlight: Long Distance Lunar Characterization with Intense Passive X- and Gamma ray Source'.

FinancialCapabilityValue 4.2Jan 19, 2023NASA Selects Experimental Space Technology Concepts from NIAC Program for Initial Study

Canoo Technologies has built 39 Gamma vehicles, the platform on which the NASA vehicles are based.

CapabilityGeneralValue 4.2May 11, 2022Electric vehicle company with NASA contract issues financial warning

Light-1 was deployed from the International Space Station in early February and is designed to study flashes of gamma rays produced in the atmosphere.

PlanCapabilityValue 4.0Mar 12, 2022Bahrain joins Artemis Accords

Kristin Robertson is a member of the Beta Gamma Sigma National Honor Society and the Society of Women Engineers.

GeneralValue 0.6Jan 4, 2022Raytheon Intelligence & Space’s New President Of The Space & C2 Biz Unit + New President Of Blue Canyon Technologies

The IM-3 mission will deliver four payloads to Reiner Gamma with a total mass of 92 kg.

PlanCapabilityValue 4.6Nov 18, 2021NASA selects Intuitive Machines for CLPS lunar landing mission

SpIRIT (Space Industry – Responsive – Intelligent – Thermal Nanosatellite) is an Australian-designed and made spacecraft platform with a main payload for gamma and x-ray remote sensing provided by Italian project partners.

CapabilityRelationshipsValue 4.0Nov 3, 2021The University Of Melbourne Is Incorporating DcubeD Actuators For Their Upcoming Smallsat Mission

COSI is designed to detect soft gamma rays with energies between 0.2 and 5 million electron volts (MeV).

CapabilityValue 4.5Oct 18, 2021NASA selects gamma-ray telescope mission for development

The consortium includes AFRY, European Forest Institute, Gamma RS, GFZ German Research Center for Geosciences, Natural Resources Institute Finland, Satellio (Terramonitor), Simosol, and the University of Helsinki.

RelationshipsGeneralValue 2.2Sep 7, 2021A New Service Being Developed By VTT To Monitor Forest Carbon Balance