| Primary satellite | Secondary satellite |
| Name | SWAS | STARLING 2 |
| Spacetrack catalog number | 25560 | 57387 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 18:34 | 2024 Dec 23 15:20 |
| Time of closest approach (UTC) | 2024 Dec 26 02:47:59.625 |
| Minimum distance | 5.694 km |
| Height difference | 0.343 km |
| Relative speed | 9.810 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 65.9°N, 86.8°E |
| Height | 567 km |
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