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🛰️ SATELLITE · HISTORICAL RECORD

MANTIS

Re-entered 15 Oct 2025

MANTIS (NORAD 58257, COSPAR 2023-174B) was a UK satellite that re-entered Earth's atmosphere on 15 Oct 2025, launched on 11 Nov 2023 on the Transporter-9 mission. It was operated by OCOS / ESA as part of the OpenCosmos UK programme. The spacecraft was built by OCOS on the Cubesat 12U bus, with a mass of 14.5 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
2025
re-entered
2
years on orbit
14.5
kg mass

Lifecycle

Launched11 Nov 2023 · on the Transporter-9 mission
Operational1 Sep 2025 · entered service
Retired1 Sep 2025 · end of operational service
Re-entered15 Oct 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID58257
COSPAR2023-174B
TypeSatellite
OperatorOCOS / ESA
Country / StateUK
ManufacturerOCOS
BusCubesat 12U
Mass14.5 kg
ProgrammeOpenCosmos UK
CategoryIMG
OrbitLEO (LLEO/S)
Altitude516 × 533 km
Inclination97.5°

Frequently asked questions

What happened to MANTIS?

MANTIS re-entered Earth's atmosphere on 15 Oct 2025, 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 MANTIS re-enter the atmosphere?

MANTIS re-entered on 15 Oct 2025, according to Orbital Radar's historical catalogue records.

Who operated and built MANTIS?

MANTIS was operated by OCOS / ESA and built by OCOS (UK).

Launched together

Connecta T3.1Re-entered 2025Dove 24f6NORAD 58280Aether 1Re-entered 2026Dove 24fdNORAD 58282Dove 24aaRe-entered 2026Dove 24f5NORAD 58284Dove 24f2NORAD 58285Dove 24f4NORAD 58286
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.