| Primary satellite | Secondary satellite |
| Name | Vanguard 1 | Kosmos-2042 |
| Spacetrack catalog number | 5 | 20236 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 14 07:51 | 2024 Dec 14 03:00 |
| Time of closest approach (UTC) | 2024 Nov 08 17:51:42.935 |
| Minimum distance | 57.808 km |
| Height difference | 2.106 km |
| Relative speed | 9.714 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 34.3°N, 91.3°E |
| Height | 1409 km |
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