| Primary satellite | Secondary satellite |
| Name | Cosmos 1308 Rocket | deb Agena D |
| Spacetrack catalog number | 12836 | 19391 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 02:16 | 2025 Nov 03 14:23 |
| Time of closest approach (UTC) | 2025 Oct 18 10:51:30.101 |
| Minimum distance | 2.396 km |
| Height difference | 2.393 km |
| Relative speed | 14.650 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 54.4°N, 50.9°W |
| Height | 1000 km |
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