| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17974 | 30217 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 23:58 | 2023 Sep 30 11:40 |
| Time of closest approach (UTC) | 2023 Jun 09 09:59:04.319 |
| Minimum distance | 119.129 km |
| Height difference | -0.910 km |
| Relative speed | 14.799 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 14.9°N, 52.4°W |
| Height | 833 km |
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