2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Launches
  3. 1961
  4. 1961 A LAM
// orbital launch

Samos E-5

Atlas Agena B launch from Vandenberg (United States) on December 22, 1961, carrying 2 payloads. GCAT records the launch as a success.

December 22, 1961 · 19:12 UTCLaunch 1961 A LAMLaunch no. 144 in the log
SpaceportVandenbergpad LC1-2
OutcomeSuccess
Launch agencyUSAF SSDUnited States

Flight

Date and time (UTC)
December 22, 1961, 19:12
Launch designation
1961 A LAM
Mission
Samos E-5
Flight name
Samos 5
Vehicle flight ID
114D/2203
Flight code
OCEAN WAY

Orbit and payload

Initial apogee
826 km
Payload mass to orbit
3.7 t
Payloads
2
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
S.T. LOW1961 A LAM 2NORAD 218Secretary of the Air Force, Office of Special Projects (NRO Program A)Signals intelligence5 kgReentered attached to another object · Dec 31, 1961
Samos 51961 A LAM 3NORAD 219Secretary of the Air Force, Office of Special Projects (NRO Program A)Optical imaging800 kgReentered (orbital decay) · Jan 9, 1962

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.