| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DMC 2 |
| Spacetrack catalog number | 36470 | 35683 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 09:54 | 2024 Dec 23 08:22 |
| Time of closest approach (UTC) | 2024 Dec 25 18:40:25.072 |
| Minimum distance | 1.500 km |
| Height difference | 0.057 km |
| Relative speed | 12.254 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 73.7°S, 154.0°E |
| Height | 675 km |
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