| Primary satellite | Secondary satellite |
| Name | IRIDIUM 118 | Oscar 15 |
| Spacetrack catalog number | 42807 | 20438 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:30 | 2024 Dec 23 02:23 |
| Time of closest approach (UTC) | 2024 Dec 25 06:50:52.776 |
| Minimum distance | 3.476 km |
| Height difference | 3.476 km |
| Relative speed | 14.916 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 17.4°N, 22.9°E |
| Height | 779 km |
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