| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | IRIDIUM 131 |
| Spacetrack catalog number | 33762 | 43079 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 22 15:30 |
| Time of closest approach (UTC) | 2024 Dec 25 13:30:23.303 |
| Minimum distance | 3.362 km |
| Height difference | -2.731 km |
| Relative speed | 5.986 km/s |
| Angle between velocity vectors | 47° |
| Geographic position | 71.3°S, 120.6°W |
| Height | 808 km |
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