| Primary satellite | Secondary satellite |
| Name | Geosat | Cosmos 1538 |
| Spacetrack catalog number | 15595 | 14759 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Oct 15 12:17 | 2024 Oct 15 04:29 |
| Time of closest approach (UTC) | 2024 Sep 18 09:16:11.836 |
| Minimum distance | 10.691 km |
| Height difference | 2.947 km |
| Relative speed | 14.857 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 69.7°S, 178.4°E |
| Height | 787 km |
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