| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | Meteor 1-11 |
| Spacetrack catalog number | 17974 | 5917 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 16 15:42 | 2025 Nov 16 11:41 |
| Time of closest approach (UTC) | 2025 Oct 18 17:28:51.921 |
| Minimum distance | 12.548 km |
| Height difference | 2.057 km |
| Relative speed | 14.390 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 16.4°S, 131.8°W |
| Height | 847 km |
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