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EXPLORER 21 (IMP-2) (NORAD 889) | T-Minus Zero
Satellite
EXPLORER 21 (IMP-2)
1964-060A
NORAD 889
United States (US)
Ops: D
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Catalog
Owner
United States (US)
Object type
PAY
Launch site
AFETR
Launch designator
1964-060
Period
2080.34 min
Inclination
33.72°
Altitude
917 km → 94,291 km
SATCAT updated
2026-01-31T03:45:02.972+00:00
Orbit (latest)
No orbit elements found yet.