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WSF

Re-entered 11 Sep 1995

WSF (NORAD 23669, COSPAR 1995-048C) was a US satellite that re-entered Earth's atmosphere on 11 Sep 1995, launched on 7 Sep 1995 on the OV-105 Research/FF mission. It was operated by SIIC as part of the WSF programme. The spacecraft was built by SIIC on the WSF bus, with a mass of 1,979 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.

1995
launched
1995
re-entered
0
years on orbit
1,979
kg mass

Lifecycle

Launched7 Sep 1995 · on the OV-105 Research/FF mission
Operational15 Sep 1995 · entered service
Retired15 Sep 1995 · end of operational service
Re-entered11 Sep 1995 · atmospheric re-entry — object destroyed

Specifications

NORAD ID23669
COSPAR1995-048C
TypeSatellite
OperatorSIIC
Country / StateUS
ManufacturerSIIC
BusWSF
Mass1,979 kg
ProgrammeWSF
CategoryMGRAV
OrbitLEO (LLEO/I)
Altitude396 × 404 km
Inclination28.5°

Frequently asked questions

What happened to WSF?

WSF re-entered Earth's atmosphere on 11 Sep 1995, ending a mission that began with its launch in 1995. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did WSF re-enter the atmosphere?

WSF re-entered on 11 Sep 1995, according to Orbital Radar's historical catalogue records.

Who operated and built WSF?

WSF was operated by SIIC and built by SIIC (US).

Launched together

OV-105Re-entered 1995SPTN-201Re-entered 1995
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-105 Research/FF → What is space debris? →