| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Oscar 17 |
| Spacetrack catalog number | 34459 | 20440 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 23 00:21 |
| Time of closest approach (UTC) | 2024 Dec 24 22:48:15.112 |
| Minimum distance | 3.533 km |
| Height difference | -0.642 km |
| Relative speed | 14.034 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 73.5°S, 39.8°W |
| Height | 803 km |
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