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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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COSMOS 577 (NORAD 6745) | T-Minus Zero

Satellite

COSMOS 577

1973-048ANORAD 6745Commonwealth of Independent States (CIS)Ops: D

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Catalog

OwnerCommonwealth of Independent States (CIS)

Object typePAY

Launch sitePLMSC

Launch designator1973-048

Period89.13 min

Inclination65.41°

Altitude173 km → 290 km

SATCAT updated2026-01-31T13:45:04.573+00:00

Orbit (latest)

No orbit elements found yet.