| Primary satellite | Secondary satellite |
| Name | Meteor 1-15 Rocket | Shijian 5 |
| Spacetrack catalog number | 6660 | 25731 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 19 03:58 | 2021 Jan 18 20:35 |
| Time of closest approach (UTC) | 2020 Nov 29 12:12:54.895 |
| Minimum distance | 62.161 km |
| Height difference | 0.357 km |
| Relative speed | 14.024 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 80.9°N, 45.2°E |
| Height | 869 km |
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