7K-S Satellite Bus

Data current as of 2026-07-20.

The 7K-S bus accounts for 3 cataloged objects, of which 0 are in orbit and 0 are active. 3 have reentered. Most are built by NPOE. The largest operator on this bus is NPOE. The first launched in 1974, the most recent in 1976.

0
In orbit
0
Active
3
Total launched
3
Reentered

7K-S launched per year

1 1974: 1 launched, 1 since reentered 1975: 1 launched, 1 since reentered 1976: 1 launched, 1 since reentered 1974 1975 1976
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged 7K-S satellites.

Manufacturer NPOE
Launch mass 2850 kg
Dry mass 2850 kg
Length 7.2 m
Diameter 2.2 m
Span 10.6 m
Shape Sphere + Cone + Cyl + 2 Pan

Top operators

NPOE 3

Top countries

SU 3

7K-S satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
COSMOS 869 Kosmos-869 09564 1976-114A NPOE Nov 29, 1976 91 min, 51.8° Reentered
COSMOS 772 Kosmos-772 08338 1975-093A NPOE Sep 29, 1975 89 min, 51.8° Reentered
COSMOS 670 Kosmos-670 07405 1974-061A NPOE Aug 6, 1974 89 min, 50.5° Reentered

Frequently asked questions

How many 7K-S satellites are there?

The catalog lists 3 objects built on the 7K-S bus. 0 are in orbit and 3 have reentered.

How many 7K-S satellites are in orbit?

0 7K-S objects are currently in orbit, of which 0 carry an active status.

Who builds the 7K-S bus?

The 7K-S bus is most commonly built by NPOE.

When did the first 7K-S satellite launch?

The first cataloged 7K-S satellite launched in 1974, and the most recent in 1976.

Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.