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🛰️ SATELLITE · HISTORICAL RECORD

BOR-4 No. 406

Re-entered 19 Dec 1984

BOR-4 No. 406 (NORAD 15442, COSPAR 1984-126A) was a SU satellite that re-entered Earth's atmosphere on 19 Dec 1984, launched on 19 Dec 1984 on the BOR-4 No. 406 mission. It was operated by MOLN / MO as part of the BOR-4 programme. The spacecraft was built by MOLN on the BOR-4 bus, with a mass of 1,074 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.

1984
launched
1984
re-entered
0
years on orbit
1,074
kg mass

Lifecycle

Launched19 Dec 1984 · on the BOR-4 No. 406 mission
Operational19 Dec 1984 · entered service
Retired19 Dec 1984 · end of operational service
Re-entered19 Dec 1984 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15442
COSPAR1984-126A
TypeSatellite
OperatorMOLN / MO
Country / StateSU
ManufacturerMOLN
BusBOR-4
Mass1,074 kg
ProgrammeBOR-4
CategorySS
OrbitLEO (LLEO/I)
Altitude172 × 222 km
Inclination50.7°

Frequently asked questions

What happened to BOR-4 No. 406?

BOR-4 No. 406 re-entered Earth's atmosphere on 19 Dec 1984, ending a mission that began with its launch in 1984. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did BOR-4 No. 406 re-enter the atmosphere?

BOR-4 No. 406 re-entered on 19 Dec 1984, according to Orbital Radar's historical catalogue records.

Who operated and built BOR-4 No. 406?

BOR-4 No. 406 was operated by MOLN / MO and built by MOLN (SU).

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