| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | SAPPHIRE |
| Spacetrack catalog number | 36258 | 39088 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 18:38 | 2024 Dec 23 09:43 |
| Time of closest approach (UTC) | 2024 Dec 29 14:03:36.355 |
| Minimum distance | 1.342 km |
| Height difference | 0.966 km |
| Relative speed | 14.429 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 49.0°S, 47.2°E |
| Height | 802 km |
|