| Primary satellite | Secondary satellite |
| Name | Oscar 19 | Cosmos 372 |
| Spacetrack catalog number | 20442 | 4588 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Dec 11 06:58 | 2025 Dec 11 02:26 |
| Time of closest approach (UTC) | 2024 Dec 09 04:24:08.130 |
| Minimum distance | 462.332 km |
| Height difference | 3.966 km |
| Relative speed | 14.883 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 15.9°S, 162.5°W |
| Height | 780 km |
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