| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33775 | 31196 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:00 | 2024 Dec 21 22:04 |
| Time of closest approach (UTC) | 2024 Dec 24 14:49:39.225 |
| Minimum distance | 4.116 km |
| Height difference | 3.949 km |
| Relative speed | 14.938 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 35.3°N, 113.4°W |
| Height | 771 km |
|