| Primary satellite | Secondary satellite |
| Name | Cosmos 2237 Rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 22566 | 40407 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 12:15 | 2021 Mar 08 19:49 |
| Time of closest approach (UTC) | 2021 Jan 19 09:56:32.295 |
| Minimum distance | 7.065 km |
| Height difference | -1.213 km |
| Relative speed | 14.700 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 48.8°S, 127.2°E |
| Height | 858 km |
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