| Primary satellite | Secondary satellite |
| Name | Meteor 2-3 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 10515 | 12949 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 19:51 | 2025 Nov 17 19:38 |
| Time of closest approach (UTC) | 2025 Oct 16 07:55:06.457 |
| Minimum distance | 18.480 km |
| Height difference | 1.379 km |
| Relative speed | 14.383 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 55.5°N, 134.3°W |
| Height | 893 km |
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