| Primary satellite | Secondary satellite |
| Name | CZ-2D R/B | Pegasus R/B |
| Spacetrack catalog number | 28738 | 25281 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:50 | 2021 Jan 18 03:55 |
| Time of closest approach (UTC) | 2020 Dec 02 15:55:54.314 |
| Minimum distance | 10.810 km |
| Height difference | -3.788 km |
| Relative speed | 15.074 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 5.8°S, 44.4°E |
| Height | 527 km |
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