| Primary satellite | Secondary satellite |
| Name | DX 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40071 | 37527 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 13 22:22 | 2022 Aug 12 01:06 |
| Time of closest approach (UTC) | 2022 Jun 28 05:38:17.352 |
| Minimum distance | 63.339 km |
| Height difference | -5.456 km |
| Relative speed | 3.885 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 34.6°N, 126.5°W |
| Height | 633 km |
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