| Primary satellite | Secondary satellite |
| Name | Cosmos 2266 Rocket | Cosmos 1275r K |
| Spacetrack catalog number | 22889 | 12655 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:50 | 2024 Dec 23 05:49 |
| Time of closest approach (UTC) | 2024 Dec 28 20:52:43.374 |
| Minimum distance | 4.902 km |
| Height difference | -4.465 km |
| Relative speed | 14.348 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 52.6°S, 151.7°W |
| Height | 1025 km |
|