| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | COSMOS 2251 DEB |
| Spacetrack catalog number | 15766 | 47052 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Jun 15 04:40 | 2025 Jun 11 21:16 |
| Time of closest approach (UTC) | 2025 May 17 18:39:03.274 |
| Minimum distance | 229.495 km |
| Height difference | -6.187 km |
| Relative speed | 11.279 km/s |
| Angle between velocity vectors | 98° |
| Geographic position | 72.8°N, 95.9°W |
| Height | 765 km |
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