| Primary satellite | Secondary satellite |
| Name | Oscar 18 | Celestis-02/Orion 38 |
| Spacetrack catalog number | 20441 | 25160 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Sep 09 12:53 | 2024 Sep 08 16:47 |
| Time of closest approach (UTC) | 2024 Aug 05 23:05:06.902 |
| Minimum distance | 22.073 km |
| Height difference | 4.105 km |
| Relative speed | 14.534 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 4.0°S, 83.2°W |
| Height | 780 km |
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