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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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MICROSAT 4 (NORAD 21583) | T-Minus Zero

Satellite

MICROSAT 4

1991-051DNORAD 21583United States (US)Ops: D

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFWTR

Launch designator1991-051

Period87.80 min

Inclination81.97°

Altitude161 km → 170 km

RCS0.170 m²

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

Orbit (latest)

No orbit elements found yet.