| Primary satellite | Secondary satellite |
| Name | COSMOS 1823 DEB | CZ-4C DEB |
| Spacetrack catalog number | 39816 | 37567 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 18:29 | 2024 Dec 23 12:25 |
| Time of closest approach (UTC) | 2024 Dec 24 14:40:29.109 |
| Minimum distance | 10.812 km |
| Height difference | -1.328 km |
| Relative speed | 15.033 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 43.8°N, 62.4°E |
| Height | 616 km |
|