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🛰️ SATELLITE · HISTORICAL RECORD

CORSA-b

Re-entered 15 Apr 1985

CORSA-b (NORAD 11272, COSPAR 1979-014A) was a J satellite that re-entered Earth's atmosphere on 15 Apr 1985, launched on 21 Feb 1979 on the CORSA-b mission. It was operated by ISAS as part of the CORSA programme. The spacecraft was built by ISAS on the CORSA bus, with a mass of 95 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.

1979
launched
1985
re-entered
6
years on orbit
95
kg mass

Lifecycle

Launched21 Feb 1979 · on the CORSA-b mission
Operational1 Apr 1985 · entered service
Retired1 Apr 1985 · end of operational service
Re-entered15 Apr 1985 · atmospheric re-entry — object destroyed

Specifications

NORAD ID11272
COSPAR1979-014A
TypeSatellite
OperatorISAS
Country / StateJ
ManufacturerISAS
BusCORSA
Mass95 kg
ProgrammeCORSA
CategoryAST
OrbitLEO (LLEO/I)
Altitude540 × 569 km
Inclination29.9°

Frequently asked questions

What happened to CORSA-b?

CORSA-b re-entered Earth's atmosphere on 15 Apr 1985, ending a mission that began with its launch in 1979. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did CORSA-b re-enter the atmosphere?

CORSA-b re-entered on 15 Apr 1985, according to Orbital Radar's historical catalogue records.

Who operated and built CORSA-b?

CORSA-b was operated by ISAS and built by ISAS (J).

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