| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34908 | 41652 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jan 31 06:36 | 2023 Jan 29 03:27 |
| Time of closest approach (UTC) | 2022 Dec 05 05:36:30.438 |
| Minimum distance | 93.640 km |
| Height difference | 2.040 km |
| Relative speed | 14.823 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 39.7°S, 69.0°E |
| Height | 829 km |
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