| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Orbcomm D2 (FM30) |
| Spacetrack catalog number | 34588 | 25980 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 23 00:55 |
| Time of closest approach (UTC) | 2024 Dec 28 02:04:46.732 |
| Minimum distance | 3.305 km |
| Height difference | -3.184 km |
| Relative speed | 4.126 km/s |
| Angle between velocity vectors | 32° |
| Geographic position | 21.1°S, 106.5°W |
| Height | 774 km |
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