| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 35605 | 41522 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 17:09 | 2024 Dec 21 09:06 |
| Time of closest approach (UTC) | 2024 Dec 29 22:37:55.900 |
| Minimum distance | 3.794 km |
| Height difference | 3.185 km |
| Relative speed | 14.994 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 16.4°S, 78.5°E |
| Height | 664 km |
|