| Primary satellite | Secondary satellite |
| Name | Oscar 19 | Cosmos 1420 Rocket |
| Spacetrack catalog number | 20442 | 13649 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Dec 05 11:30 | 2023 Dec 05 11:44 |
| Time of closest approach (UTC) | 2023 Sep 27 21:49:50.154 |
| Minimum distance | 17.152 km |
| Height difference | 7.863 km |
| Relative speed | 14.253 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 72.4°S, 66.4°E |
| Height | 798 km |
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