| Primary satellite | Secondary satellite |
| Name | HEATHSAT | Cosmos 2251 |
| Spacetrack catalog number | 22827 | 22675 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:16 | 2024 Dec 22 20:33 |
| Time of closest approach (UTC) | 2024 Dec 25 19:43:40.021 |
| Minimum distance | 1.734 km |
| Height difference | 0.688 km |
| Relative speed | 14.877 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 6.4°N, 26.3°E |
| Height | 793 km |
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