| Primary satellite | Secondary satellite |
| Name | Cosmos 2266 Rocket | COSMOS 2378 |
| Spacetrack catalog number | 22889 | 26818 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:50 | 2024 Dec 23 03:38 |
| Time of closest approach (UTC) | 2024 Dec 28 22:30:39.711 |
| Minimum distance | 3.870 km |
| Height difference | 3.223 km |
| Relative speed | 14.521 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 30.4°S, 178.6°E |
| Height | 1008 km |
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