TDA Satellite Bus
Data current as of 2026-07-20.
The TDA bus accounts for 5 cataloged objects, of which 0 are in orbit and 0 are active. 5 have reentered. Most are built by MCDA. The largest operator on this bus is MSC. All were launched in 1966.
0
In orbit
0
Active
5
Total launched
5
Reentered
TDA launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged TDA satellites.
| Manufacturer | MCDA |
|---|---|
| Launch mass | 527 kg |
| Dry mass | 527 kg |
| Length | 1 m |
| Diameter | 1.5 m |
| Span | 1.5 m |
| Shape | Cyl |
Top operators
MSC 5
Top countries
US 5
TDA satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| AGENA TARGET TDA 7A | 02565 | 1966-103A | MSC | Nov 11, 1966 | 88 min, 28.8° | Reentered | ◉ |
| AGENA TARGET TDA 6 | 02414 | 1966-080A | MSC | Sep 12, 1966 | 88 min, 28.8° | Reentered | ◉ |
| AGENA TARGET TDA 1A | 02348 | 1966-065A | MSC | Jul 18, 1966 | 89 min, 28.9° | Reentered | ◉ |
| ATDA ATDA | 02186 | 1966-046A | MSC | Jun 1, 1966 | 89 min, 28.9° | Reentered | ◉ |
| AGENA TARGET TDA 3 | 02104 | 1966-019A | MSC | Mar 16, 1966 | 88 min, 28.9° | Reentered | ◉ |
Frequently asked questions
How many TDA satellites are there?
The catalog lists 5 objects built on the TDA bus. 0 are in orbit and 5 have reentered.
How many TDA satellites are in orbit?
0 TDA objects are currently in orbit, of which 0 carry an active status.
Who builds the TDA bus?
The TDA bus is most commonly built by MCDA.
When did the first TDA satellite launch?
The cataloged TDA satellites all launched in 1966.