| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | Iridium 7 |
| Spacetrack catalog number | 14760 | 24793 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:37 | 2024 Dec 22 18:58 |
| Time of closest approach (UTC) | 2024 Dec 29 01:49:28.665 |
| Minimum distance | 5.626 km |
| Height difference | 0.533 km |
| Relative speed | 13.668 km/s |
| Angle between velocity vectors | 132° |
| Geographic position | 64.3°N, 130.3°E |
| Height | 782 km |
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