| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 | Cosmos 1066 |
| Spacetrack catalog number | 17973 | 11165 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Jan 18 20:29 | 2025 Jan 18 17:56 |
| Time of closest approach (UTC) | 2024 Dec 08 01:13:30.988 |
| Minimum distance | 66.102 km |
| Height difference | -2.249 km |
| Relative speed | 14.288 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 31.1°S, 169.5°E |
| Height | 833 km |
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