| Primary satellite | Secondary satellite |
| Name | PEGASUS DEB | CASSIOPE |
| Spacetrack catalog number | 39928 | 39265 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:30 | 2024 Dec 22 19:46 |
| Time of closest approach (UTC) | 2024 Dec 24 20:43:43.013 |
| Minimum distance | 4.494 km |
| Height difference | -2.641 km |
| Relative speed | 12.263 km/s |
| Angle between velocity vectors | 106° |
| Geographic position | 74.9°N, 80.5°E |
| Height | 529 km |
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