| Primary satellite | Secondary satellite |
| Name | NPP | CZ-6A DEB |
| Spacetrack catalog number | 37849 | 56661 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 20 07:40 | 2026 Jan 19 09:48 |
| Time of closest approach (UTC) | 2025 Dec 16 11:31:12.087 |
| Minimum distance | 42.376 km |
| Height difference | 4.059 km |
| Relative speed | 11.783 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 75.8°S, 172.4°E |
| Height | 855 km |
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