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. Cosmos 554
// optical imaging · 1973

Cosmos 554

Cosmos 554 was launched on April 19, 1973 aboard a Voskhod 11A57 from Plesetsk. Latest status in GCAT: exploded or broke up (May 6, 1973).

COSPAR 1973-021ANORAD 6432Soviet Union

Identity

Name in GCAT
Kosmos-554
Common name
Cosmos 554
Payload designation
Germes No. 15L
Other names
Zenit-4MK No. 15L:P,11F692 No. 780-33-735:RA
International designator
1973-021A
NORAD catalog number
6432
GCAT identifier
S06432
UN registration
A/AC.105/INF.272

Mission

Mission type
Optical imaging
Use
Defense
Program
Zenit-4MK
Country
Soviet Union
Builder
TsKBEM Filial No. 3
Platform (bus)
Zenit-4MK

Launch

Date
April 19, 1973 · 08:59 UTC
Launch record
1973-021Success
Spaceport
Plesetsk · pad LC43/4

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
169 km
Apogee
378 km
Inclination
72.85°
Status
Exploded or broke up
Status date
May 6, 1973
Last known active
May 7, 1973
End of operations
May 7, 1973

Size

Mass
2,310 kg
Dry mass
2,310 kg
Total mass with attached objects
6,010 kg
Length
6.0 m
Diameter
2.20 m
Span
6.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12753896 (CC0).