| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | DAPP 1524 |
| Spacetrack catalog number | 6324 | 4331 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jul 14 12:04 | 2025 Jul 14 09:46 |
| Time of closest approach (UTC) | 2024 Jun 19 01:57:21.058 |
| Minimum distance | 949.346 km |
| Height difference | 0.659 km |
| Relative speed | 11.035 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 74.0°S, 23.8°E |
| Height | 763 km |
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