| Primary satellite | Secondary satellite |
| Name | CZ-4B DEB | ERS 1 DEB |
| Spacetrack catalog number | 57397 | 35260 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 21:19 | 2024 Dec 22 14:13 |
| Time of closest approach (UTC) | 2024 Dec 30 00:28:04.800 |
| Minimum distance | 3.268 km |
| Height difference | -0.315 km |
| Relative speed | 14.488 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 55.2°N, 112.1°E |
| Height | 707 km |
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