| Primary satellite | Secondary satellite |
| Name | Tiros 1 | CZ-2D R/B |
| Spacetrack catalog number | 29 | 39154 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 18 23:56 | 2026 Jan 18 20:49 |
| Time of closest approach (UTC) | 2025 Dec 18 11:03:35.483 |
| Minimum distance | 23.652 km |
| Height difference | 5.130 km |
| Relative speed | 14.001 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 34.8°N, 52.3°E |
| Height | 633 km |
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