| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14760 | 33761 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 21:39 | 2022 Jul 03 21:06 |
| Time of closest approach (UTC) | 2022 May 25 15:07:50.216 |
| Minimum distance | 82.703 km |
| Height difference | -3.053 km |
| Relative speed | 8.566 km/s |
| Angle between velocity vectors | 70° |
| Geographic position | 70.3°N, 70.7°E |
| Height | 783 km |
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