| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 | CZ-6A DEB |
| Spacetrack catalog number | 23087 | 54544 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 11 15:15 | 2025 Jul 11 07:30 |
| Time of closest approach (UTC) | 2024 Jul 18 07:11:34.333 |
| Minimum distance | 1359.639 km |
| Height difference | -5.277 km |
| Relative speed | 14.010 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 69.9°N, 55.0°E |
| Height | 858 km |
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