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Preparing the latest launch data.

T-Minus Zero

Primary launch schedule data: The Space Devs - Launch Library 2

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STS 40 (NORAD 21399) | T-Minus Zero

Satellite

STS 40

1991-040ANORAD 21399United States (US)Ops: D

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFETR

Launch designator1991-040

Period90.16 min

Inclination39.00°

Altitude276 km → 289 km

SATCAT updated2026-02-01T10:45:05.676+00:00

Orbit (latest)

No orbit elements found yet.