| Primary satellite | Secondary satellite |
| Name | Vanguard 3 | ICEYE-X4 |
| Spacetrack catalog number | 20 | 44390 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2023 May 27 20:29 | 2023 May 27 20:06 |
| Time of closest approach (UTC) | 2023 Mar 23 01:48:53.857 |
| Minimum distance | 1093.721 km |
| Height difference | 34.060 km |
| Relative speed | 13.555 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 25.4°S, 154.7°W |
| Height | 530 km |
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