| Primary satellite | Secondary satellite |
| Name | AO-91 | FLOCK 4Q 35 |
| Spacetrack catalog number | 43017 | 58309 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2025 Jan 18 14:01 | 2025 Jan 18 19:15 |
| Time of closest approach (UTC) | 2024 Dec 07 23:33:24.309 |
| Minimum distance | 165.839 km |
| Height difference | 3.428 km |
| Relative speed | 14.843 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 60.4°N, 24.4°W |
| Height | 489 km |
|