| Primary satellite | Secondary satellite |
| Name | Cosmos 2237 Rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 22566 | 42323 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 13:00 | 2021 Mar 05 10:43 |
| Time of closest approach (UTC) | 2021 Jan 17 09:27:12.694 |
| Minimum distance | 3.257 km |
| Height difference | 1.434 km |
| Relative speed | 14.797 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 23.9°N, 53.5°W |
| Height | 843 km |
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