| Primary satellite | Secondary satellite |
| Name | AO-73 | Cosmos 921 Rocket |
| Spacetrack catalog number | 39444 | 10096 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2022 Aug 11 11:44 | 2022 Aug 11 14:59 |
| Time of closest approach (UTC) | 2022 Jul 04 16:58:26.833 |
| Minimum distance | 2.933 km |
| Height difference | -2.489 km |
| Relative speed | 14.992 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 63.0°S, 3.3°W |
| Height | 612 km |
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