| Primary satellite | Secondary satellite |
| Name | Meteor 2-21 | Cosmos 2346 Rocket |
| Spacetrack catalog number | 22782 | 24955 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 17 20:17 | 2025 Nov 17 17:26 |
| Time of closest approach (UTC) | 2025 Oct 10 23:37:57.115 |
| Minimum distance | 28.568 km |
| Height difference | -0.899 km |
| Relative speed | 2.097 km/s |
| Angle between velocity vectors | 16° |
| Geographic position | 82.6°S, 25.6°E |
| Height | 975 km |
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