| Primary satellite | Secondary satellite |
| Name | MOS 1 Rocket | CZ-2D R/B |
| Spacetrack catalog number | 17528 | 44548 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 19 12:23 | 2021 Jan 19 18:34 |
| Time of closest approach (UTC) | 2020 Nov 28 06:47:12.142 |
| Minimum distance | 16.708 km |
| Height difference | 0.390 km |
| Relative speed | 14.763 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 14.1°S, 171.9°E |
| Height | 772 km |
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