| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | STARLINK-5277 |
| Spacetrack catalog number | 44619 | 55269 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Dec 05 06:18 | 2025 Dec 05 06:56 |
| Time of closest approach (UTC) | 2025 Nov 11 19:27:40.159 |
| Minimum distance | 47.798 km |
| Height difference | -0.058 km |
| Relative speed | 14.871 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 53.7°N, 148.3°E |
| Height | 583 km |
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