| 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 Jun 03 21:45 | 2023 Jun 01 01:51 |
| Time of closest approach (UTC) | 2023 Apr 02 13:33:19.471 |
| Minimum distance | 44.638 km |
| Height difference | 3.448 km |
| Relative speed | 14.779 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 2.5°S, 33.9°E |
| Height | 778 km |
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