| Primary satellite | Secondary satellite |
| Name | PRISMA (TANGO) | IRIDIUM 111 |
| Spacetrack catalog number | 36827 | 41926 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Oct 01 13:51 | 2023 Oct 01 20:57 |
| Time of closest approach (UTC) | 2023 Jun 11 06:37:55.613 |
| Minimum distance | 75.857 km |
| Height difference | -0.783 km |
| Relative speed | 14.863 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 62.9°N, 161.6°W |
| Height | 788 km |
|