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🛰️ SATELLITE · HISTORICAL RECORD

TTU100

Re-entered 11 Aug 2024

TTU100 (NORAD 46312, COSPAR 2020-061AS) was a EE satellite that re-entered Earth's atmosphere on 11 Aug 2024, launched on 3 Sep 2020 on the SSMS mission. It was operated by TTU as part of the Tallinn programme. The spacecraft was built by TTU on the Cubesat 1U bus, with a mass of 1 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.

2020
launched
2024
re-entered
4
years on orbit
1
kg mass

Lifecycle

Launched3 Sep 2020 · on the SSMS mission
Operational1 Jul 2024 · entered service
Retired1 Jul 2024 · end of operational service
Re-entered11 Aug 2024 · atmospheric re-entry — object destroyed

Specifications

NORAD ID46312
COSPAR2020-061AS
TypeSatellite
OperatorTTU
Country / StateEE
ManufacturerTTU
BusCubesat 1U
Mass1 kg
ProgrammeTallinn
CategoryIMG
OrbitLEO (LLEO/S)
Altitude534 × 535 km
Inclination97.5°

Frequently asked questions

What happened to TTU100?

TTU100 re-entered Earth's atmosphere on 11 Aug 2024, ending a mission that began with its launch in 2020. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did TTU100 re-enter the atmosphere?

TTU100 re-entered on 11 Aug 2024, according to Orbital Radar's historical catalogue records.

Who operated and built TTU100?

TTU100 was operated by TTU and built by TTU (EE).

Launched together

Nusat-6Re-entered 2024Dove 2254Re-entered 2024Dove 241cRe-entered 2024SpaceBEE 21Re-entered 2023SpaceBEE 20Re-entered 2023SpaceBEE 15Re-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.