| Primary satellite | Secondary satellite |
| Name | SME Rocket | SSETI-EXPRESS DEB |
| Spacetrack catalog number | 12889 | 28897 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 14 09:31 | 2024 Dec 13 01:56 |
| Time of closest approach (UTC) | 2024 Nov 18 14:28:40.565 |
| Minimum distance | 56.801 km |
| Height difference | -11.208 km |
| Relative speed | 15.252 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 24.2°N, 9.4°E |
| Height | 668 km |
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