CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1978-0198

EXPLORER 52 (HAWKEYE)

EXPLORER 52 (HAWKEYE) (NORAD 7325) re-entered Earth’s atmosphere on 30 April 1978, after 3 years, 10 months in orbit.

Official date
NORAD number
7325
International designator
1974-040A
Object type
Spacecraft
Country
United States
Launched
3 Jun 1974Vandenberg
Re-entered (UTC)
30 Apr 1978UTC calendar day
Time in orbit
3 years, 10 months1,427 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
27 kg
Operator
NASA LaRC
Built by
Iowa
Bus
Injun F
Programme
Injun

Where it came down

Not on record

No position was recorded for this re-entry. Its final orbit is not on record.

Life in orbit

3 years, 10 months

EXPLORER 52 (HAWKEYE)’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 30 Apr 1978

2 entries
1978-0200SL-12 R/B(AUX MOTOR)1978-0199SL-8 DEB *

From the same launch

1974-040
1977-0432SCOUT E-1 R/B
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Entered in the Orbital Register™, founding volume, September 2026.
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