BRO-ONE

Re-entered 18 Jul 2026

BRO-ONE (NORAD 44495, COSPAR 2019-054A) was a F satellite that re-entered Earth's atmosphere on 18 Jul 2026, launched on 19 Aug 2019 on the BlackSky Global 4 mission. It was operated by UNSEEN as part of the Unseen programme. The spacecraft was built by GOMSP on the Cubesat 6U bus, with a mass of 10 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.

2019

launched

2026

re-entered

years on orbit

kg mass

Lifecycle

Launched19 Aug 2019 · on the BlackSky Global 4 mission

Operational1 Jan 2025 · entered service

Retired1 Jan 2025 · end of operational service

Re-entered18 Jul 2026 · atmospheric re-entry — object destroyed

Specifications

NORAD ID44495

COSPAR2019-054A

TypeSatellite

OperatorUNSEEN

Country / StateF

ManufacturerGOMSP

BusCubesat 6U

Mass10 kg

ProgrammeUnseen

CategorySIG

OrbitLEO (LLEO/I)

Altitude536 × 550 km

Inclination45.0°

Frequently asked questions

What happened to BRO-ONE?

BRO-ONE re-entered Earth's atmosphere on 18 Jul 2026, ending a mission that began with its launch in 2019. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did BRO-ONE re-enter the atmosphere?

BRO-ONE re-entered on 18 Jul 2026, according to Orbital Radar's historical catalogue records.

Who operated and built BRO-ONE?

BRO-ONE was operated by UNSEEN and built by GOMSP (F).

Launched together

Pearl White 1Re-entered 2025 Pearl White 2Re-entered 2025 BlackSky Global 4NORAD 44499

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.

Browse the live satellite directory → Re-entered satellites archive → Launch record: BlackSky Global 4 → What is space debris? →