| Primary satellite | Secondary satellite |
| Name | Cosmos 972 Rocket | IRIDIUM 137 |
| Spacetrack catalog number | 10541 | 43076 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:24 | 2024 Dec 22 15:58 |
| Time of closest approach (UTC) | 2024 Dec 23 15:14:54.430 |
| Minimum distance | 4.798 km |
| Height difference | -4.735 km |
| Relative speed | 1.704 km/s |
| Angle between velocity vectors | 13° |
| Geographic position | 35.2°S, 135.9°W |
| Height | 797 km |
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