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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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EXPLORER 9 (NORAD 81) | T-Minus Zero

Satellite

EXPLORER 9

1961-004ANORAD 81United States (US)Ops: D

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteWLPIS

Launch designator1961-004

Period93.01 min

Inclination38.84°

Altitude285 km → 559 km

SATCAT updated2026-03-02T12:11:02.281+00:00

Orbit (latest)

No orbit elements found yet.