AMSAT Phase 2 Satellite Bus

Data current as of 2026-07-20.

The AMSAT Phase 2 bus accounts for 3 cataloged objects, of which 3 are in orbit and 0 are active. Most are built by AMNA. The largest operator on this bus is AMNA. The first launched in 1972, the most recent in 1978.

3
In orbit
0
Active
3
Total launched
0
Reentered

AMSAT Phase 2 launched per year

1 1972: 1 object launched 1973: 0 objects launched 1974: 1 object launched 1975: 0 objects launched 1976: 0 objects launched 1977: 0 objects launched 1978: 1 object launched 1972 1973 1974 1975 1976 1977 1978
Still in orbit Click a year to list its satellites.

Typical specifications

Most common values across cataloged AMSAT Phase 2 satellites.

Manufacturer AMNA
Purpose Amateur radio communication
Launch mass 18 kg
Dry mass 18 kg
Length 0.2 m
Diameter 0.4 m
Span 0.4 m
Shape Box
Power Solar cells, batteries
Propulsion None
Design life 5 years
Typical orbit 115 min period, 102° inclination

Top operators

AMNA 3

Top countries

US 3

AMSAT Phase 2 satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
OSCAR 8 (AO-8) AMSAT-OSCAR-8 10703 1978-026B AMNA Mar 5, 1978 103 min, 99.3° Inactive
OSCAR 7 (AO-7) AMSAT-OSCAR-7 07530 1974-089B AMNA Nov 15, 1974 115 min, 102.0° Inactive
OSCAR 6 (AO-6) AMSAT-OSCAR-6 06236 1972-082B AMNA Oct 15, 1972 115 min, 102.0° Inactive

Frequently asked questions

How many AMSAT Phase 2 satellites are there?

The catalog lists 3 objects built on the AMSAT Phase 2 bus. 3 are in orbit and 0 have reentered.

How many AMSAT Phase 2 satellites are in orbit?

3 AMSAT Phase 2 objects are currently in orbit, of which 0 carry an active status.

Who builds the AMSAT Phase 2 bus?

The AMSAT Phase 2 bus is most commonly built by AMNA.

When did the first AMSAT Phase 2 satellite launch?

The first cataloged AMSAT Phase 2 satellite launched in 1972, and the most recent in 1978.

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