| Primary satellite | Secondary satellite |
| Name | IRIDIUM 47 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 40254 | 13026 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 01:45 | 2024 Dec 23 05:51 |
| Time of closest approach (UTC) | 2024 Dec 26 07:56:50.991 |
| Minimum distance | 4.461 km |
| Height difference | 1.870 km |
| Relative speed | 14.996 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 23.1°N, 79.3°E |
| Height | 686 km |
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