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WIRE

Re-entered 10 May 2011

WIRE (NORAD 25646, COSPAR 1999-011A) was a US satellite that re-entered Earth's atmosphere on 10 May 2011, launched on 5 Mar 1999 on the WIRE mission. It was operated by GSFC as part of the SMEX programme. The spacecraft was built by GSFC on the SMEX bus, with a mass of 182 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.

1999
launched
2011
re-entered
12
years on orbit
182
kg mass

Lifecycle

Launched5 Mar 1999 · on the WIRE mission
Operational1 Mar 2008 · entered service
Retired1 Mar 2008 · end of operational service
Re-entered10 May 2011 · atmospheric re-entry — object destroyed

Specifications

NORAD ID25646
COSPAR1999-011A
TypeSatellite
OperatorGSFC
Country / StateUS
ManufacturerGSFC
BusSMEX
Mass182 kg
ProgrammeSMEX
CategoryAST
OrbitLEO (LLEO/S)
Altitude539 × 592 km
Inclination97.5°

Frequently asked questions

What happened to WIRE?

WIRE re-entered Earth's atmosphere on 10 May 2011, ending a mission that began with its launch in 1999. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did WIRE re-enter the atmosphere?

WIRE re-entered on 10 May 2011, according to Orbital Radar's historical catalogue records.

Who operated and built WIRE?

WIRE was operated by GSFC and built by GSFC (US).

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