| Primary satellite | Secondary satellite |
| Name | Cosmos 1091 Rocket | deb Kosmos-970 |
| Spacetrack catalog number | 11321 | 10569 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 10:22 | 2024 Dec 22 15:12 |
| Time of closest approach (UTC) | 2024 Dec 29 17:31:50.829 |
| Minimum distance | 2.624 km |
| Height difference | -2.391 km |
| Relative speed | 5.040 km/s |
| Angle between velocity vectors | 40° |
| Geographic position | 59.2°S, 118.9°E |
| Height | 1011 km |
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