| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 17974 | 42323 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 19:07 | 2021 Jan 19 23:29 |
| Time of closest approach (UTC) | 2020 Nov 27 01:30:07.321 |
| Minimum distance | 36.490 km |
| Height difference | -0.119 km |
| Relative speed | 14.712 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 50.3°N, 72.8°E |
| Height | 850 km |
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