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Stratosat TK-1

Re-entered 10 Jan 2026

Stratosat TK-1 (NORAD 57167, COSPAR 2023-091B) was a RU satellite that re-entered Earth's atmosphere on 10 Jan 2026, launched on 27 Jun 2023 on the Soyuz Rideshare 11 mission. It was operated by STRAT as part of the Geoskan programme. The spacecraft was built by GEOSK on the Cubesat 3U bus, with a mass of 4.205 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2023
launched
2026
re-entered
3
years on orbit
4.205
kg mass

Lifecycle

Launched27 Jun 2023 · on the Soyuz Rideshare 11 mission
Operational1 Jan 2024 · entered service
Retired1 Jan 2024 · end of operational service
Re-entered10 Jan 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID57167
COSPAR2023-091B
TypeSatellite
OperatorSTRAT
Country / StateRU
ManufacturerGEOSK
BusCubesat 3U
Mass4.205 kg
ProgrammeGeoskan
CategoryTECH
OrbitLEO (LLEO/S)
Altitude544 × 570 km
Inclination97.7°

Frequently asked questions

What happened to Stratosat TK-1?

Stratosat TK-1 re-entered Earth's atmosphere on 10 Jan 2026, ending a mission that began with its launch in 2023. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Stratosat TK-1 re-enter the atmosphere?

Stratosat TK-1 re-entered on 10 Jan 2026, according to Orbital Radar's historical catalogue records.

Who operated and built Stratosat TK-1?

Stratosat TK-1 was operated by STRAT and built by GEOSK (RU).

Launched together

Meteor-M No. 2-3NORAD 57166Nanozond-1Re-entered 2026Polytech Univers-3NORAD 57191SITRO-AIS-6NORAD 57192SITRO-AIS-8NORAD 57193SITRO-AIS-7NORAD 57194Avion-Kaluga 650NORAD 57195Khors No. 2NORAD 57196
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.