| Primary satellite | Secondary satellite |
| Name | Courier 1B Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 59 | 30495 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 15 19:12 | 2026 Jan 15 02:46 |
| Time of closest approach (UTC) | 2025 Dec 19 06:24:36.726 |
| Minimum distance | 231.036 km |
| Height difference | 7.603 km |
| Relative speed | 12.419 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 26.9°S, 74.0°E |
| Height | 962 km |
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