| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | IRIDIUM 47 DEB |
| Spacetrack catalog number | 19649 | 40251 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:23 | 2024 Dec 22 16:50 |
| Time of closest approach (UTC) | 2024 Dec 26 15:21:03.752 |
| Minimum distance | 1.705 km |
| Height difference | 1.455 km |
| Relative speed | 14.508 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 21.0°S, 84.1°W |
| Height | 850 km |
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