| Primary satellite | Secondary satellite |
| Name | PRISMA (TANGO) | ASTEX 1 |
| Spacetrack catalog number | 36827 | 5560 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Oct 01 13:51 | 2023 Oct 01 20:55 |
| Time of closest approach (UTC) | 2023 Jun 14 08:51:09.428 |
| Minimum distance | 66.877 km |
| Height difference | -2.236 km |
| Relative speed | 14.910 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 28.0°S, 27.2°W |
| Height | 731 km |
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