| Primary satellite | Secondary satellite |
| Name | HODOYOSHI 4 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40011 | 38066 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 May 24 22:46 | 2022 May 23 05:12 |
| Time of closest approach (UTC) | 2022 Jan 31 09:35:22.255 |
| Minimum distance | 432.283 km |
| Height difference | 19.043 km |
| Relative speed | 14.937 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 64.6°S, 12.3°E |
| Height | 663 km |
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