| Primary satellite | Secondary satellite |
| Name | Tiros 1 | YAOGAN 29 |
| Spacetrack catalog number | 29 | 41038 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 19 08:02 | 2026 Jan 19 14:33 |
| Time of closest approach (UTC) | 2025 Dec 19 00:29:50.646 |
| Minimum distance | 57.106 km |
| Height difference | 3.732 km |
| Relative speed | 13.895 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 37.2°S, 72.5°W |
| Height | 631 km |
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