MS Satellite Bus

Data current as of 2026-07-20.

The MS bus accounts for 3 cataloged objects, of which 0 are in orbit and 0 are active. 3 have reentered. Most are built by OKB1. The largest operator on this bus is OKB1. All were launched in 1962.

0
In orbit
0
Active
3
Total launched
3
Reentered

MS launched per year

1 2 3 1962: 3 launched, 3 since reentered 1962
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged MS satellites.

Manufacturer OKB1
Launch mass 224 kg
Dry mass 224 kg
Length 1.8 m
Diameter 1.2 m
Span 1.8 m
Shape Ell

Top operators

OKB1 3

Top countries

SU 3

MS satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
COSMOS 5 (SPUTNIK 15) Kosmos-5 00297 1962-020A OKB1 May 28, 1962 89 min, 49.0° Reentered
COSMOS 3 (SPUTNIK 13) Kosmos-3 00281 1962-013A OKB1 Apr 24, 1962 89 min, 49.0° Reentered
COSMOS 2 (SPUTNIK 12) Kosmos-2 00269 1962-009A OKB1 Apr 6, 1962 88 min, 48.9° Reentered

Frequently asked questions

How many MS satellites are there?

The catalog lists 3 objects built on the MS bus. 0 are in orbit and 3 have reentered.

How many MS satellites are in orbit?

0 MS objects are currently in orbit, of which 0 carry an active status.

Who builds the MS bus?

The MS bus is most commonly built by OKB1.

When did the first MS satellite launch?

The cataloged MS satellites all launched in 1962.

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