| Primary satellite | Secondary satellite |
| Name | IRAS Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13778 | 31150 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 15:15 | 2024 Dec 06 13:17 |
| Time of closest approach (UTC) | 2024 Nov 16 20:21:50.789 |
| Minimum distance | 12.098 km |
| Height difference | 3.114 km |
| Relative speed | 5.196 km/s |
| Angle between velocity vectors | 41° |
| Geographic position | 79.8°N, 148.0°W |
| Height | 863 km |
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