| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Burner II No. 8 |
| Spacetrack catalog number | 34908 | 3522 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jan 28 16:43 | 2023 Jan 28 21:28 |
| Time of closest approach (UTC) | 2022 Dec 02 20:17:27.379 |
| Minimum distance | 180.612 km |
| Height difference | 0.404 km |
| Relative speed | 14.073 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 72.1°S, 110.8°E |
| Height | 809 km |
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