| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | CSL-04 DEB |
| Spacetrack catalog number | 47 | 26220 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Jun 12 10:39 | 2025 Jun 12 05:39 |
| Time of closest approach (UTC) | 2025 May 18 07:45:55.946 |
| Minimum distance | 1.066 km |
| Height difference | 0.145 km |
| Relative speed | 14.959 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 44.5°N, 59.5°E |
| Height | 603 km |
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