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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 51I (NORAD 15992) | T-Minus Zero

Satellite

STS 51I

1985-076ANORAD 15992United States (US)Ops: D

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFETR

Launch designator1985-076

Period92.40 min

Inclination28.53°

Altitude329 km → 455 km

SATCAT updated2026-02-01T04:15:01.177+00:00

Orbit (latest)

No orbit elements found yet.