| Primary satellite | Secondary satellite |
| Name | HEAD-3A | Cosmos 158 Rocket |
| Spacetrack catalog number | 57626 | 2802 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:54 | 2024 Dec 22 17:16 |
| Time of closest approach (UTC) | 2024 Dec 26 01:56:07.034 |
| Minimum distance | 2.836 km |
| Height difference | -2.401 km |
| Relative speed | 3.983 km/s |
| Angle between velocity vectors | 31° |
| Geographic position | 16.2°S, 147.6°E |
| Height | 704 km |
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