| Primary satellite | Secondary satellite |
| Name | Cosmos 1745 Rocket | deb Kosmos-249 |
| Spacetrack catalog number | 16728 | 3755 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 15 05:35 | 2025 Jun 12 19:16 |
| Time of closest approach (UTC) | 2024 Jul 20 02:58:33.090 |
| Minimum distance | 578.769 km |
| Height difference | -77.829 km |
| Relative speed | 14.285 km/s |
| Angle between velocity vectors | 144° |
| Geographic position | 8.7°N, 52.6°E |
| Height | 955 km |
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