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. Spacecraft
  3. ALSEP
// spacecraft · 1972

ALSEP

ALSEP was launched on December 7, 1972 aboard a Saturn V from Cape Canaveral & Kennedy. Latest status in GCAT: landed attached to another object (Dec 11, 1972).

COSPAR 1972-096GCAT D00471United States

Identity

Name in GCAT
ALSEP
International designator
1972-096
GCAT identifier
D00471

Mission

Mission type
—
Owner
MSC
Country
United States
Builder
Bendix Systems Div.
Platform (bus)
ALSEP

Launch

Date
December 7, 1972 · 05:33 UTC
Launch record
1972-096Success
Rocket
Saturn V
Spaceport
Cape Canaveral & Kennedy · pad LC39A

Orbit and fate

Orbit class (GCAT)
PCO
Status
Landed attached to another object
Status date
December 11, 1972

Size

Mass
130 kg
Dry mass
130 kg

Deep space

Deep-space catalog entry
D00471
Final central body
Luna
Phase start
December 10, 1972
Phase outcome
Landed attached to another object · December 11, 1972
Destination
Luna

Flight phases

FromCentral bodyEndedOutcomeNext
Dec 7, 1972EarthDec 10, 1972Escaped to another body, attachedLuna
Dec 11, 1972LunaDec 12, 1972DeployedLuna
Dec 12, 1972LunaSep 30, 1977Stopped transmitting on the surfaceLuna

Landings and impacts

WorldTypeResultTouchdownSiteCoordinates
LunaSecondary componentTargeted impactDec 10, 1972—-4.17, -12.33
LunaLander (powered landing)Landed and operatedDec 11, 1972Taurus-Littrow Base20.19, 30.77
LunaSpacesuit with crew memberLanded and operatedDec 11, 1972—20.19, 30.77
LunaSpacesuit with crew memberLanded and operatedDec 11, 1972—20.19, 30.77
LunaSecondary componentLanded and operatedDec 11, 1972—20.19, 30.77
LunaSecondary componentLanded and operatedDec 11, 1972—20.19, 30.77
LunaRoverLanded and operatedDec 11, 1972—20.19, 30.77
LunaSecondary componentLanded and operatedDec 12, 1972—20.19, 30.77

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