| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | deb r/b (DELTA) |
| Spacetrack catalog number | 23088 | 15788 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 16 16:16 | 2025 Nov 15 11:27 |
| Time of closest approach (UTC) | 2025 Oct 14 09:20:06.927 |
| Minimum distance | 24.946 km |
| Height difference | 1.289 km |
| Relative speed | 14.810 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 35.2°N, 131.2°W |
| Height | 847 km |
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