| Primary satellite | Secondary satellite |
| Name | DMSP B5D2-2 | COSMOS 2251 DEB |
| Spacetrack catalog number | 14506 | 37530 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 23 22:11 | 2023 Mar 20 01:31 |
| Time of closest approach (UTC) | 2023 Feb 05 22:16:24.859 |
| Minimum distance | 93.744 km |
| Height difference | 4.532 km |
| Relative speed | 14.075 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 73.7°S, 101.6°W |
| Height | 815 km |
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