| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | Altair 2 |
| Spacetrack catalog number | 25893 | 907 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jun 12 03:29 | 2025 Jun 12 02:30 |
| Time of closest approach (UTC) | 2025 May 19 10:27:14.805 |
| Minimum distance | 3.702 km |
| Height difference | -0.737 km |
| Relative speed | 14.091 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 57.9°N, 7.8°E |
| Height | 1000 km |
|