| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Oscar 17 |
| Spacetrack catalog number | 34913 | 20440 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:23 | 2024 Dec 23 00:21 |
| Time of closest approach (UTC) | 2024 Dec 24 09:15:30.742 |
| Minimum distance | 4.783 km |
| Height difference | -4.783 km |
| Relative speed | 14.498 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 70.0°S, 73.6°W |
| Height | 811 km |
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