| Primary satellite | Secondary satellite |
| Name | Cosmos 44 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 877 | 31955 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 14 12:45 | 2025 May 14 07:59 |
| Time of closest approach (UTC) | 2025 May 04 01:20:11.426 |
| Minimum distance | 3.939 km |
| Height difference | 3.036 km |
| Relative speed | 14.893 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 16.5°S, 91.4°W |
| Height | 681 km |
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