| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | Iridium 71 |
| Spacetrack catalog number | 42661 | 25320 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 16:34 | 2024 Dec 23 09:06 |
| Time of closest approach (UTC) | 2024 Dec 24 01:34:08.823 |
| Minimum distance | 2.291 km |
| Height difference | 0.345 km |
| Relative speed | 14.901 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 45.3°S, 43.8°E |
| Height | 772 km |
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