ATS 4
| Launched | 9 August 1968 |
| Flight ended | 16 October 1968 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 3344 |
| COSPAR ID | 1968-068A |
| Observing |
ATS 4
| Launched | 9 August 1968 |
| Flight ended | 16 October 1968 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 3344 |
| COSPAR ID | 1968-068A |
| Observing |