- Home
- Spacecraft
- GRBAlpha
GRBAlpha
Gamma ray burst detection technological demo nanosatellite. GRBAlpha was launched on March 22, 2021 aboard a Soyuz-2-1A from Baikonur. Latest status in GCAT: reentered (orbital decay) (Jun 10, 2025).
COSPAR 2021-022ADNORAD 47959Slovakia
Identity
- Name in GCAT
- GRBAlpha
- International designator
- 2021-022AD
- NORAD catalog number
- 47959
- GCAT identifier
- S47959
- UN registration
- ST/SG/SER.E/980
Mission
- Mission type
- Astronomy
- Use
- Amateur / academic
- Program
- TUKE
- Owner
- TUKE
- Country
- Slovakia
- Builder
- Technical University of Kosice
- Platform (bus)
- Cubesat 1U
Launch
- Date
- March 22, 2021 · 06:07 UTC
- Launch record
- 2021-022Success
- Rocket
- Soyuz-2-1A
- Spaceport
- Baikonur · pad LC31
Orbit and fate
- Orbit class (GCAT)
- LLEO/S
- Perigee
- 535 km
- Apogee
- 562 km
- Inclination
- 97.57°
- Status
- Reentered (orbital decay)
- Status date
- June 10, 2025
- Last known active
- March 2023
- End of operations
- Jun 9, 2025
Size
- Mass
- 1 kg
- Dry mass
- 1 kg
- Length
- 0.1 m
- Diameter
- 0.10 m
- Span
- 0.1 m
Launched together
CAS500 1Optical imaging · KARIUnisat-7Technology · GAUSS SrINajm-1Optical imaging · KACSTChallenge OneCommunications · Telnet HoldingORBICRAFT-ZORKIYOptical imaging · SputniksEnxanetaCommunications · Open CosmosSpace Travelling Egg-Controlled Catadioptric ObjectCalibration · Roma La SapienzaDIY-1Technology · DIYSatelliteSMOG-1Signals intelligence · BME
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q106168897 (CC0).