| Primary satellite | Secondary satellite |
| Name | Kosmos-1745 | Vanguard 2 |
| Spacetrack catalog number | 16727 | 11 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:20 | 2024 Dec 23 05:19 |
| Time of closest approach (UTC) | 2024 Dec 27 19:23:03.222 |
| Minimum distance | 4.646 km |
| Height difference | 2.884 km |
| Relative speed | 12.711 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 4.9°S, 113.4°E |
| Height | 990 km |
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