| Primary satellite | Secondary satellite |
| Name | Gurwin Techsat 1B | IRIDIUM 47 DEB |
| Spacetrack catalog number | 25397 | 40254 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:06 | 2024 Dec 21 01:45 |
| Time of closest approach (UTC) | 2024 Dec 24 01:18:58.736 |
| Minimum distance | 4.623 km |
| Height difference | -2.698 km |
| Relative speed | 14.257 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 78.9°S, 17.1°W |
| Height | 839 km |
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