| Primary satellite | Secondary satellite |
| Name | Envisat | CZ-4C R/B |
| Spacetrack catalog number | 27386 | 54701 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:03 | 2024 Dec 22 18:02 |
| Time of closest approach (UTC) | 2024 Dec 25 04:47:03.046 |
| Minimum distance | 3.925 km |
| Height difference | -0.719 km |
| Relative speed | 14.650 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 6.6°S, 149.9°E |
| Height | 766 km |
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