| Primary satellite | Secondary satellite |
| Name | Cosmos 371 Rocket | IRIDIUM 33 DEB |
| Spacetrack catalog number | 4579 | 34774 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 24 17:39 | 2022 May 24 05:22 |
| Time of closest approach (UTC) | 2022 Jan 20 04:49:07.754 |
| Minimum distance | 1690.984 km |
| Height difference | 2.534 km |
| Relative speed | 14.626 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 69.7°S, 121.4°W |
| Height | 725 km |
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