| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | HEATHSAT |
| Spacetrack catalog number | 35959 | 22827 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 23 04:16 |
| Time of closest approach (UTC) | 2024 Dec 24 10:14:13.552 |
| Minimum distance | 4.670 km |
| Height difference | 4.309 km |
| Relative speed | 14.881 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 15.7°N, 167.1°E |
| Height | 788 km |
|