| Primary satellite | Secondary satellite |
| Name | IRIDIUM 47 DEB | Gurwin Techsat 1B |
| Spacetrack catalog number | 40254 | 25397 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 01:45 | 2024 Dec 23 12:16 |
| Time of closest approach (UTC) | 2024 Dec 24 01:18:58.735 |
| Minimum distance | 4.639 km |
| Height difference | 2.704 km |
| Relative speed | 14.257 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 78.9°S, 17.0°W |
| Height | 837 km |
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