| Primary satellite | Secondary satellite |
| Name | AIST 2D | SKYSAT C3 |
| Spacetrack catalog number | 41465 | 41774 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Feb 25 11:34 | 2021 Feb 25 09:57 |
| Time of closest approach (UTC) | 2021 Jan 17 10:57:24.494 |
| Minimum distance | 4.551 km |
| Height difference | 0.555 km |
| Relative speed | 15.161 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 12.6°N, 166.8°E |
| Height | 454 km |
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