| Primary satellite | Secondary satellite |
| Name | KKS-1 | HJ-1B |
| Spacetrack catalog number | 33499 | 33321 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Apr 01 20:11 | 2023 Apr 01 21:32 |
| Time of closest approach (UTC) | 2023 Jan 31 11:29:16.012 |
| Minimum distance | 9.857 km |
| Height difference | 1.906 km |
| Relative speed | 14.046 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 67.7°N, 41.2°W |
| Height | 657 km |
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