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// signals intelligence · 1961

SAMOS 5

American reconnaissance satellite. SAMOS 5 was launched on December 22, 1961 aboard a Atlas Agena B from Vandenberg. Latest status in GCAT: reentered attached to another object (Dec 31, 1961).

COSPAR 1961 A LAM 2NORAD 218United States

Identity

Name in GCAT
S.T. LOW
Common name
SAMOS 5
Payload designation
AFTRACK 18 (S.T. LOW)
International designator
1961 A LAM 2
NORAD catalog number
218
GCAT identifier
S00218

Mission

Mission type
Signals intelligence
Use
Defense
Program
AFTRACK
Owner
SAFSP
Country
United States
Builder
Cutler-Hammer Airborne Instruments Laboratory
Platform (bus)
AFTRACK

Launch

Date
December 22, 1961 · 19:12 UTC
Launch record
1961 A LAMSuccess
Spaceport
Vandenberg · pad LC1-2

Orbit and fate

Orbit class (GCAT)
LLEO/P
Perigee
230 km
Apogee
650 km
Inclination
89.70°
Status
Reentered attached to another object
Status date
December 31, 1961
Last known active
Dec 23, 1961
End of operations
Dec 23, 1961

Size

Mass
5 kg
Dry mass
5 kg
Total mass with attached objects
2,580 kg
Length
0.1 m
Diameter
0.20 m
Span
0.2 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q5427251 (CC0).