| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 13563 | 47025 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:28 | 2024 Dec 21 23:19 |
| Time of closest approach (UTC) | 2024 Dec 28 22:10:59.538 |
| Minimum distance | 4.202 km |
| Height difference | 0.775 km |
| Relative speed | 14.676 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 29.6°N, 62.3°W |
| Height | 794 km |
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