| Primary satellite | Secondary satellite |
| Name | Oscar 19 | COSMOS 2251 DEB |
| Spacetrack catalog number | 20442 | 35032 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 May 22 21:29 | 2022 May 22 11:00 |
| Time of closest approach (UTC) | 2022 Feb 01 22:40:04.389 |
| Minimum distance | 817.774 km |
| Height difference | 18.320 km |
| Relative speed | 14.797 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 80.0°N, 124.0°E |
| Height | 798 km |
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