| Primary satellite | Secondary satellite |
| Name | IRIDIUM 47 DEB | STERKH 2 |
| Spacetrack catalog number | 40254 | 35866 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 01:45 | 2024 Dec 23 12:23 |
| Time of closest approach (UTC) | 2024 Dec 23 16:58:19.890 |
| Minimum distance | 3.744 km |
| Height difference | 2.117 km |
| Relative speed | 14.621 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 74.9°S, 114.6°E |
| Height | 841 km |
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