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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 41 (IMP-5) (NORAD 3990) | T-Minus Zero

Satellite

EXPLORER 41 (IMP-5)

1969-053ANORAD 3990United States (US)Ops: D

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFWTR

Launch designator1969-053

Period4840.78 min

Inclination84.55°

Altitude3,926 km → 172,901 km

SATCAT updated2026-01-31T09:15:05.827+00:00

Orbit (latest)

No orbit elements found yet.