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🛰️ SATELLITE · HISTORICAL RECORD

TeLEOS-1

Re-entered 27 Jun 2025

TeLEOS-1 (NORAD 41169, COSPAR 2015-077D) was a SG satellite that re-entered Earth's atmosphere on 27 Jun 2025, launched on 16 Dec 2015 on the TeLEOS-1 mission. It was operated by AGILS as part of the STE programme. The spacecraft was built by STESS on the SS-400 bus, with a mass of 400 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.

2015
launched
2025
re-entered
10
years on orbit
400
kg mass

Lifecycle

Launched16 Dec 2015 · on the TeLEOS-1 mission
Operational1 May 2025 · entered service
Retired1 Jun 2025 · end of operational service
Re-entered27 Jun 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID41169
COSPAR2015-077D
TypeSatellite
OperatorAGILS
Country / StateSG
ManufacturerSTESS
BusSS-400
Mass400 kg
ProgrammeSTE
CategoryIMG
OrbitLEO (LLEO/E)
Altitude533 × 550 km
Inclination15.0°

Frequently asked questions

What happened to TeLEOS-1?

TeLEOS-1 re-entered Earth's atmosphere on 27 Jun 2025, ending a mission that began with its launch in 2015. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did TeLEOS-1 re-enter the atmosphere?

TeLEOS-1 re-entered on 27 Jun 2025, according to Orbital Radar's historical catalogue records.

Who operated and built TeLEOS-1?

TeLEOS-1 was operated by AGILS and built by STESS (SG).

Launched together

VELOX-C1NORAD 41166Kent Ridge 1NORAD 41167Athenoxat-1Re-entered 2023GalassiaRe-entered 2023VELOX-IIRe-entered 2024
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.