| Primary satellite | Secondary satellite |
| Name | Oscar 11 | COSMOS 2251 DEB |
| Spacetrack catalog number | 14781 | 33813 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 07 12:05 | 2022 Aug 07 11:58 |
| Time of closest approach (UTC) | 2022 Jul 04 18:28:06.570 |
| Minimum distance | 1.783 km |
| Height difference | 0.600 km |
| Relative speed | 13.427 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 74.0°S, 0.3°E |
| Height | 639 km |
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