| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 17 DEB |
| Spacetrack catalog number | 34814 | 48719 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:55 | 2024 Dec 23 07:31 |
| Time of closest approach (UTC) | 2024 Dec 26 02:54:39.109 |
| Minimum distance | 2.941 km |
| Height difference | -1.061 km |
| Relative speed | 13.231 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 74.0°N, 154.4°W |
| Height | 814 km |
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