| Primary satellite | Secondary satellite |
| Name | Cosmos 1308 Rocket | deb Kosmos-2237 |
| Spacetrack catalog number | 12836 | 22645 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 02:16 | 2025 Nov 12 07:20 |
| Time of closest approach (UTC) | 2025 Oct 14 10:04:17.929 |
| Minimum distance | 58.588 km |
| Height difference | 2.253 km |
| Relative speed | 13.738 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 51.3°S, 148.9°E |
| Height | 980 km |
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