| Primary satellite | Secondary satellite |
| Name | Oscar 19 | COSMOS 1818 DEB |
| Spacetrack catalog number | 20442 | 34174 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 May 29 16:06 | 2023 May 22 04:31 |
| Time of closest approach (UTC) | 2023 Apr 02 13:32:37.924 |
| Minimum distance | 47.802 km |
| Height difference | 2.262 km |
| Relative speed | 14.779 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 5.0°S, 34.5°E |
| Height | 779 km |
|