| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 | GEISAT PRECURSOR |
| Spacetrack catalog number | 19573 | 56934 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:25 | 2024 Dec 22 20:14 |
| Time of closest approach (UTC) | 2024 Dec 23 17:56:51.734 |
| Minimum distance | 1.166 km |
| Height difference | -0.306 km |
| Relative speed | 9.861 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 78.4°S, 155.7°E |
| Height | 527 km |
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