| Primary satellite | Secondary satellite |
| Name | NANOSAT C BR1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40024 | 35906 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 11 19:32 | 2022 Aug 11 11:48 |
| Time of closest approach (UTC) | 2022 Jul 08 00:05:44.046 |
| Minimum distance | 19.947 km |
| Height difference | 0.659 km |
| Relative speed | 15.118 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 3.4°S, 154.0°W |
| Height | 589 km |
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