Gemini Satellite Bus

Data current as of 2026-07-20.

The Gemini bus accounts for 11 cataloged objects, of which 0 are in orbit and 0 are active. 11 have reentered. Most are built by MCDA. The largest operator on this bus is MSC. The first launched in 1964, the most recent in 1966.

0
In orbit
0
Active
11
Total launched
11
Reentered

Gemini launched per year

2 4 6 1964: 1 launched, 1 since reentered 1965: 5 launched, 5 since reentered 1966: 5 launched, 5 since reentered 1964 1965 1966
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged Gemini satellites.

Manufacturer MCDA
Launch mass 2147 kg
Dry mass 2147 kg
Length 3.5 m
Diameter 1.2 m
Span 3.5 m
Shape Cone + Cyl

Top operators

MSC 11

Top countries

US 11

Gemini satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
GEMINI 12 Gemini XII 02566 1966-104A MSC Nov 11, 1966 90 min, 28.8° Reentered
GEMINI 11 Gemini XI 02415 · MSC Sep 12, 1966 · Reentered
GEMINI 10 Gemini X 02349 1966-066A MSC Jul 18, 1966 95 min, 28.8° Reentered
GEMINI 9 Gemini IX-A 02191 1966-047A MSC Jun 3, 1966 90 min, 28.9° Reentered
GEMINI 8 Gemini VIII 02105 · MSC Mar 16, 1966 · Reentered
GEMINI 6 Gemini VI-A 01839 · MSC Dec 15, 1965 · Reentered
GEMINI 7 Gemini VII 01812 · MSC Dec 4, 1965 · Reentered
GEMINI 5 Gemini V 01516 1965-068A MSC Aug 21, 1965 89 min, 32.6° Reentered
GEMINI 4 Gemini IV 01390 · MSC Jun 3, 1965 · Reentered
GEMINI 3 Gemini III 01301 · MSC Mar 23, 1965 · Reentered
GEMINI 1 Gemini I 00782 1964-018A MSC Apr 8, 1964 88 min, 32.5° Reentered

Frequently asked questions

How many Gemini satellites are there?

The catalog lists 11 objects built on the Gemini bus. 0 are in orbit and 11 have reentered.

How many Gemini satellites are in orbit?

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

Who builds the Gemini bus?

The Gemini bus is most commonly built by MCDA.

When did the first Gemini satellite launch?

The first cataloged Gemini satellite launched in 1964, and the most recent in 1966.

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