| Primary satellite | Secondary satellite |
| Name | Cosmos 1850 Rocket | DELTA 1 DEB |
| Spacetrack catalog number | 18096 | 27726 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:57 | 2024 Dec 20 13:22 |
| Time of closest approach (UTC) | 2024 Dec 26 09:17:14.527 |
| Minimum distance | 3.724 km |
| Height difference | 3.716 km |
| Relative speed | 14.911 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 1.2°N, 160.0°E |
| Height | 773 km |
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