| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 23088 | 12671 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 20 12:21 | 2025 Jun 20 07:14 |
| Time of closest approach (UTC) | 2025 May 20 03:48:23.193 |
| Minimum distance | 33.301 km |
| Height difference | 2.544 km |
| Relative speed | 14.452 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 14.5°N, 153.0°W |
| Height | 847 km |
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