| Primary satellite | Secondary satellite |
| Name | Cosmos 2221 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 22237 | 60808 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2026 Jan 14 12:56 | 2026 Jan 14 18:52 |
| Time of closest approach (UTC) | 2025 Dec 08 15:11:17.810 |
| Minimum distance | 2.358 km |
| Height difference | 0.510 km |
| Relative speed | 15.066 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 12.0°N, 171.4°E |
| Height | 642 km |
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