| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 25893 | 12751 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jun 12 03:29 | 2025 Jun 11 19:56 |
| Time of closest approach (UTC) | 2025 May 17 12:25:01.661 |
| Minimum distance | 14.363 km |
| Height difference | -1.813 km |
| Relative speed | 9.508 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 80.7°S, 78.9°W |
| Height | 983 km |
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