| Primary satellite | Secondary satellite |
| Name | Meteor 2-21 | COSMOS 1275 DEB |
| Spacetrack catalog number | 22782 | 39959 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:17 | 2025 Nov 05 01:48 |
| Time of closest approach (UTC) | 2025 Oct 14 16:58:44.708 |
| Minimum distance | 3.334 km |
| Height difference | 2.689 km |
| Relative speed | 6.182 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 82.0°N, 79.9°W |
| Height | 963 km |
|