| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | deb Agena D |
| Spacetrack catalog number | 23088 | 5430 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 16 16:16 | 2025 Nov 14 21:40 |
| Time of closest approach (UTC) | 2025 Oct 15 12:21:19.883 |
| Minimum distance | 79.170 km |
| Height difference | 3.689 km |
| Relative speed | 13.970 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 10.1°N, 169.6°E |
| Height | 845 km |
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