| Primary satellite | Secondary satellite |
| Name | DMSP 7529 | IRIDIUM 147 |
| Spacetrack catalog number | 6787 | 43480 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:13 | 2024 Dec 23 09:39 |
| Time of closest approach (UTC) | 2024 Dec 24 15:24:41.711 |
| Minimum distance | 1.361 km |
| Height difference | -0.419 km |
| Relative speed | 10.950 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 80.9°S, 34.1°W |
| Height | 808 km |
|