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// earth science · 1975

Explorer 54

NASA satellite. Explorer 54 was launched on October 6, 1975 aboard a Delta 2910 from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Mar 12, 1976).

COSPAR 1975-096ANORAD 8353United States

Identity

Name in GCAT
AE-D
Common name
Explorer 54
Other names
Explorer 54
International designator
1975-096A
NORAD catalog number
8353
GCAT identifier
S08353
UN registration
A/AC.105/INF.335

Mission

Mission type
Earth science
Use
Civil government
Program
Explorer AE
Owner
GSFC
Country
United States
Builder
RCA Astro Electronics (Astro Space)
Platform (bus)
AE-C

Launch

Date
October 6, 1975 · 09:00 UTC
Launch record
1975-096Success
Spaceport
Vandenberg · pad SLC2W

Orbit and fate

Orbit class (GCAT)
LEO/P
Perigee
135 km
Apogee
3,569 km
Inclination
90.08°
Status
Reentered (orbital decay)
Status date
March 12, 1976
Last known active
Jan 29, 1976
End of operations
Jan 29, 1976

Size

Mass
675 kg
Dry mass
506 kg
Length
1.1 m
Diameter
1.40 m
Span
1.4 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q49894 (CC0).