| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 31114 | 42321 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 18:57 | 2021 Jan 24 20:31 |
| Time of closest approach (UTC) | 2020 Nov 29 10:25:30.599 |
| Minimum distance | 39.434 km |
| Height difference | -5.951 km |
| Relative speed | 14.687 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 37.1°N, 137.2°E |
| Height | 790 km |
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