| Primary satellite | Secondary satellite |
| Name | PEGASUS R/B | STARS |
| Spacetrack catalog number | 27859 | 33498 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:49 | 2024 Dec 22 18:22 |
| Time of closest approach (UTC) | 2024 Dec 29 12:57:49.038 |
| Minimum distance | 3.692 km |
| Height difference | -2.714 km |
| Relative speed | 14.887 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 61.8°S, 5.6°E |
| Height | 633 km |
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