| Primary satellite | Secondary satellite |
| Name | Cosmos 1844 Rocket | FREGAT DEB |
| Spacetrack catalog number | 17974 | 49271 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 06:04 | 2025 Nov 12 14:39 |
| Time of closest approach (UTC) | 2025 Oct 16 17:40:42.231 |
| Minimum distance | 3438.357 km |
| Height difference | 78.920 km |
| Relative speed | 5.488 km/s |
| Angle between velocity vectors | 42° |
| Geographic position | 59.0°N, 169.1°W |
| Height | 838 km |
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