| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | NOAA 16 DEB |
| Spacetrack catalog number | 17974 | 41243 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 19:07 | 2021 Jan 18 22:04 |
| Time of closest approach (UTC) | 2020 Nov 30 11:02:01.829 |
| Minimum distance | 158.895 km |
| Height difference | 1.280 km |
| Relative speed | 10.111 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 67.9°N, 17.4°E |
| Height | 856 km |
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