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// space science · 1971

Explorer 45

NASA satellite of the Explorer program. Explorer 45 was launched on November 15, 1971 aboard a Scout B from San Marco. Latest status in GCAT: reentered (orbital decay) (May 3, 1987).

COSPAR 1971-096ANORAD 5598United States

Identity

Name in GCAT
SSS 1
Common name
Explorer 45
Payload designation
SSS A
Other names
Explorer 45
International designator
1971-096A
NORAD catalog number
5598
GCAT identifier
S05598
UN registration
A/AC.105/INF.245

Mission

Mission type
Space science
Use
Civil government
Program
Explorer SSS
Owner
GSFC
Country
United States
Builder
NASA Goddard Space Flight Center
Platform (bus)
SSS

Launch

Date
November 15, 1971 · 05:52 UTC
Launch record
1971-096Success
Rocket
Scout B
Spaceport
San Marco

Orbit and fate

Orbit class (GCAT)
HEO
Perigee
234 km
Apogee
26,780 km
Inclination
3.56°
Status
Reentered (orbital decay)
Status date
May 3, 1987
Last known active
Sep 30, 1974
End of operations
Sep 30, 1974

Size

Mass
52 kg
Dry mass
52 kg
Length
0.7 m
Diameter
0.70 m
Span
5.2 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q5853417 (CC0).