| Primary satellite | Secondary satellite |
| Name | Cosmos 2151 | SJ-7 |
| Spacetrack catalog number | 21422 | 28737 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jan 26 17:19 | 2023 Jan 27 05:38 |
| Time of closest approach (UTC) | 2022 Nov 29 17:28:20.883 |
| Minimum distance | 5.373 km |
| Height difference | 3.749 km |
| Relative speed | 15.088 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 50.7°S, 8.8°E |
| Height | 612 km |
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