| Primary satellite | Secondary satellite |
| Name | Cosmos 1536 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14700 | 34400 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 27 06:19 | 2023 Sep 26 21:28 |
| Time of closest approach (UTC) | 2023 Jun 12 05:57:19.814 |
| Minimum distance | 1175.932 km |
| Height difference | -15.965 km |
| Relative speed | 14.662 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 56.4°N, 93.1°E |
| Height | 640 km |
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