| Primary satellite | Secondary satellite |
| Name | Cosmos 1727 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 16511 | 61268 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 13 13:12 | 2026 Jan 13 05:22 |
| Time of closest approach (UTC) | 2025 Dec 19 11:35:12.177 |
| Minimum distance | 192.335 km |
| Height difference | -1.156 km |
| Relative speed | 13.717 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 79.8°S, 36.4°E |
| Height | 990 km |
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