| Primary satellite | Secondary satellite |
| Name | STSS DEMO 1 (USA 208) | deb Delta 104 |
| Spacetrack catalog number | 35937 | 14475 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 02:43 | 2023 Oct 02 23:43 |
| Time of closest approach (UTC) | 2023 Jun 15 04:17:25.187 |
| Minimum distance | 29.476 km |
| Height difference | -8.741 km |
| Relative speed | 13.878 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 43.6°S, 151.4°W |
| Height | 1347 km |
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