| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | DELTA 1 DEB |
| Spacetrack catalog number | 33819 | 37638 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 16 16:56 | 2022 Aug 13 12:09 |
| Time of closest approach (UTC) | 2022 Jul 09 06:31:21.499 |
| Minimum distance | 35.238 km |
| Height difference | -3.801 km |
| Relative speed | 14.047 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 73.3°S, 154.4°W |
| Height | 873 km |
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