| Primary satellite | Secondary satellite |
| Name | Oscar 19 | Cosmos 1954 |
| Spacetrack catalog number | 20442 | 19256 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Dec 05 11:30 | 2023 Dec 05 20:49 |
| Time of closest approach (UTC) | 2023 Sep 25 13:18:17.189 |
| Minimum distance | 6.694 km |
| Height difference | 3.407 km |
| Relative speed | 14.882 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 11.4°S, 45.4°E |
| Height | 787 km |
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