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. 1983
  4. 1983-100
// orbital launch

Ekran No. 25L

Proton-K/DM launch from Baikonur (Soviet Union) on September 29, 1983, carrying 1 payload. GCAT records the launch as a success.

September 29, 1983 · 17:37 UTCLaunch 1983-100Launch no. 2,742 in the log
SpaceportBaikonurpad LC200/40
OutcomeSuccess
Launch agencyUNKSSoviet Union

Flight

Date and time (UTC)
September 29, 1983, 17:37
Launch designation
1983-100
Mission
Ekran No. 25L
Flight name
Ekran
Vehicle flight ID
318-01

Orbit and payload

Initial apogee
36,278 km
Payload mass to orbit
2.8 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Ekran1983-100ANORAD 14377Ministry of Comms. Union Radio Comms.Communications2,000 kgIn orbit

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