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🛰️ SATELLITE · HISTORICAL RECORD

IRT

Re-entered 11 Feb 1984

IRT (NORAD 14689, COSPAR 1984-011C) was a US satellite that re-entered Earth's atmosphere on 11 Feb 1984, launched on 3 Feb 1984 on the OV-099 PAM deploy/FF mission. It was operated by JSC as part of the JSC RVT programme. The spacecraft was built by SDCO on the IRT 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.

1984
launched
1984
re-entered
0
years on orbit
95
kg mass

Lifecycle

Launched3 Feb 1984 · on the OV-099 PAM deploy/FF mission
Operational5 Feb 1984 · entered service
Retired5 Feb 1984 · end of operational service
Re-entered11 Feb 1984 · atmospheric re-entry — object destroyed

Specifications

NORAD ID14689
COSPAR1984-011C
TypeSatellite
OperatorJSC
Country / StateUS
ManufacturerSDCO
BusIRT
Mass95 kg
ProgrammeJSC RVT
CategoryTECH
OrbitLEO (LLEO/I)
Altitude269 × 283 km
Inclination28.5°

Frequently asked questions

What happened to IRT?

IRT re-entered Earth's atmosphere on 11 Feb 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 IRT re-enter the atmosphere?

IRT re-entered on 11 Feb 1984, according to Orbital Radar's historical catalogue records.

Who operated and built IRT?

IRT was operated by JSC and built by SDCO (US).

Launched together

OV-099Re-entered 1984Westar 6Re-entered 1984Palapa B2Re-entered 1984
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: OV-099 PAM deploy/FF → What is space debris? →