| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14760 | 33842 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 02 03:51 | 2022 Jul 01 23:10 |
| Time of closest approach (UTC) | 2022 May 29 01:52:03.546 |
| Minimum distance | 58.984 km |
| Height difference | 0.832 km |
| Relative speed | 5.432 km/s |
| Angle between velocity vectors | 43° |
| Geographic position | 72.8°S, 65.4°E |
| Height | 799 km |
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