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// communications · 1965

OSCAR 4

Amateur radio satellite. OSCAR 4 was launched on December 21, 1965 aboard a Titan IIIC from Cape Canaveral & Kennedy. Latest status in GCAT: reentered (orbital decay) (Apr 12, 1976).

COSPAR 1965-108CNORAD 1902United States

Identity

Name in GCAT
OSCAR 4
International designator
1965-108C
NORAD catalog number
1902
GCAT identifier
S01902
UN registration
A/AC.105/INF.128

Mission

Mission type
Communications
Use
Amateur / academic
Program
OSCAR
Owner
OSCAR
Country
United States
Builder
TRW Radio Club, Redondo Beach
Platform (bus)
OSCAR

Launch

Date
December 21, 1965 · 14:00 UTC
Launch record
1965-108Success
Spaceport
Cape Canaveral & Kennedy · pad LC41

Orbit and fate

Orbit class (GCAT)
HEO
Perigee
162 km
Apogee
33,561 km
Inclination
26.80°
Status
Reentered (orbital decay)
Status date
April 12, 1976
Last known active
Mar 16, 1966
End of operations
Mar 16, 1966

Size

Mass
18 kg
Dry mass
18 kg
Length
0.5 m
Diameter
0.50 m
Span
0.5 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q14174552 (CC0).