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EXPLORER 4 (NORAD 9) | T-Minus Zero
Satellite
EXPLORER 4
1958-005A
NORAD 9
United States (US)
Ops: D
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Catalog
Owner
United States (US)
Object type
PAY
Launch site
AFETR
Launch designator
1958-005
Period
92.81 min
Inclination
50.25°
Altitude
239 km → 585 km
SATCAT updated
2026-03-02T06:11:01.382+00:00
Orbit (latest)
No orbit elements found yet.