| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34459 | 41304 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 21 08:04 |
| Time of closest approach (UTC) | 2024 Dec 25 19:43:55.198 |
| Minimum distance | 0.750 km |
| Height difference | 0.088 km |
| Relative speed | 3.428 km/s |
| Angle between velocity vectors | 26° |
| Geographic position | 19.3°S, 105.5°E |
| Height | 798 km |
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