Skip to main content

Support Terms Privacy Choices

T-Minus ZeroComm Link

Loading

TMinusZero

Loading

Preparing the latest launch data.

T-Minus Zero

Primary launch schedule data: The Space Devs - Launch Library 2

Support Terms Privacy Privacy Choices Data Use About Help and FAQ Artemis SpaceX Jellyfish Guide Blue Origin

EXPLORER 4 (NORAD 9) | T-Minus Zero

Satellite

EXPLORER 4

1958-005ANORAD 9United States (US)Ops: D

All satellites Back to launch list

Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFETR

Launch designator1958-005

Period92.81 min

Inclination50.25°

Altitude239 km → 585 km

SATCAT updated2026-03-02T06:11:01.382+00:00

Orbit (latest)

No orbit elements found yet.