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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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SL-4 R/B (NORAD 20658) | T-Minus Zero

Satellite

SL-4 R/B

1990-053BNORAD 20658Commonwealth of Independent States (CIS)Ops: D

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Catalog

OwnerCommonwealth of Independent States (CIS)

Object typeRB

Launch sitePLMSC

Launch designator1990-053

Period87.18 min

Inclination82.58°

Altitude129 km → 140 km

SATCAT updated2026-02-01T09:30:05.809+00:00

Orbit (latest)

No orbit elements found yet.