| Primary satellite | Secondary satellite |
| Name | Cosmos 2112 Rocket | IRIDIUM 156 |
| Spacetrack catalog number | 21015 | 43576 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Feb 02 03:39 | 2023 Feb 01 13:31 |
| Time of closest approach (UTC) | 2022 Dec 10 02:11:57.633 |
| Minimum distance | 63.293 km |
| Height difference | -4.220 km |
| Relative speed | 14.624 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 30.7°S, 56.5°W |
| Height | 793 km |
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