| Primary satellite | Secondary satellite |
| Name | Oscar 19 | deb Kosmos-2251 |
| Spacetrack catalog number | 20442 | 25028 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Dec 05 11:30 | 2023 Dec 05 19:24 |
| Time of closest approach (UTC) | 2023 Sep 23 20:49:42.314 |
| Minimum distance | 1033.749 km |
| Height difference | -0.400 km |
| Relative speed | 12.011 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 67.3°S, 47.5°W |
| Height | 799 km |
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