| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 | STRIX-1 |
| Spacetrack catalog number | 19573 | 53815 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:25 | 2024 Dec 22 20:06 |
| Time of closest approach (UTC) | 2024 Dec 24 23:09:35.268 |
| Minimum distance | 4.131 km |
| Height difference | -2.103 km |
| Relative speed | 14.618 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 82.2°N, 138.8°W |
| Height | 530 km |
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