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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 557 (NORAD 6498) | T-Minus Zero

Satellite

COSMOS 557

1973-026ANORAD 6498Commonwealth of Independent States (CIS)Ops: D

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Catalog

OwnerCommonwealth of Independent States (CIS)

Object typePAY

Launch siteTYMSC

Launch designator1973-026

Period87.91 min

Inclination51.60°

Altitude163 km → 178 km

SATCAT updated2026-01-31T13:30:02.687+00:00

Orbit (latest)

No orbit elements found yet.