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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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CHECKMATE 4 (NORAD 56164) | T-Minus Zero

Satellite

CHECKMATE 4

2023-050CNORAD 56164United States (US)Ops: +

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFWTR

Launch designator2023-050

Period103.99 min

Inclination81.00°

Altitude943 km → 950 km

SATCAT updated2026-06-06T06:11:10.797+00:00

Groups

active

Orbit (latest)

Epoch2026-06-10T01:39:22.177152+00:00

Inclination81.0018°

RAAN78.6647°

Eccentricity0.0006082

Mean motion13.848139 rev/day

Sourcegp

Fetched2026-06-10T08:46:17.769+00:00