| Primary satellite | Secondary satellite |
| Name | Transit 4A | Meteor 2-8 Rocket |
| Spacetrack catalog number | 116 | 13114 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 13 02:20 | 2026 Jan 13 13:04 |
| Time of closest approach (UTC) | 2025 Dec 18 08:42:02.845 |
| Minimum distance | 20.183 km |
| Height difference | 1.669 km |
| Relative speed | 9.451 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 66.6°S, 15.5°E |
| Height | 978 km |
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