| Primary satellite | Secondary satellite |
| Name | Cosmos 923 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 10121 | 61269 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 12 12:37 | 2025 Jul 13 08:48 |
| Time of closest approach (UTC) | 2025 Jun 19 16:22:25.494 |
| Minimum distance | 14.876 km |
| Height difference | -3.490 km |
| Relative speed | 14.332 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 57.4°S, 15.0°W |
| Height | 800 km |
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