| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 41419 | 34564 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:52 | 2024 Dec 22 22:36 |
| Time of closest approach (UTC) | 2024 Dec 29 15:19:55.010 |
| Minimum distance | 4.247 km |
| Height difference | 1.441 km |
| Relative speed | 8.001 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 66.1°S, 153.1°E |
| Height | 776 km |
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