| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 23088 | 54291 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 20 12:21 | 2025 Jun 20 19:34 |
| Time of closest approach (UTC) | 2025 May 21 06:50:35.257 |
| Minimum distance | 13.038 km |
| Height difference | 2.648 km |
| Relative speed | 14.780 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 36.3°N, 148.5°E |
| Height | 850 km |
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