| Primary satellite | Secondary satellite |
| Name | HEATHSAT | COSMOS 2251 DEB |
| Spacetrack catalog number | 22827 | 34024 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:16 | 2024 Dec 22 20:41 |
| Time of closest approach (UTC) | 2024 Dec 29 05:39:35.124 |
| Minimum distance | 2.833 km |
| Height difference | -2.664 km |
| Relative speed | 14.834 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 41.8°S, 113.8°W |
| Height | 807 km |
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