| Primary satellite | Secondary satellite |
| Name | MOS 1 Rocket | CZ-4 DEB |
| Spacetrack catalog number | 17528 | 35327 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 12:23 | 2021 Jan 18 07:28 |
| Time of closest approach (UTC) | 2020 Dec 03 04:09:26.419 |
| Minimum distance | 4.302 km |
| Height difference | 3.384 km |
| Relative speed | 14.694 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 14.9°N, 145.4°W |
| Height | 791 km |
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