| Primary satellite | Secondary satellite |
| Name | Vanguard 1 Rocket | DMSP 5D-2 F11 DEB |
| Spacetrack catalog number | 16 | 28331 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Feb 05 21:54 | 2023 Feb 04 19:57 |
| Time of closest approach (UTC) | 2022 Nov 28 07:30:32.369 |
| Minimum distance | 2049.804 km |
| Height difference | -169.056 km |
| Relative speed | 13.120 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 34.1°N, 4.5°W |
| Height | 891 km |
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