| Primary satellite | Secondary satellite |
| Name | Vanguard 1 | SJ-11-03 DEB |
| Spacetrack catalog number | 5 | 37735 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Dec 01 06:39 | 2023 Dec 03 13:25 |
| Time of closest approach (UTC) | 2023 Oct 07 12:28:24.242 |
| Minimum distance | 2793.863 km |
| Height difference | 6.798 km |
| Relative speed | 9.078 km/s |
| Angle between velocity vectors | 70° |
| Geographic position | 17.9°N, 65.8°W |
| Height | 659 km |
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