| Primary satellite | Secondary satellite |
| Name | CZ-2D R/B | OPS-SAT |
| Spacetrack catalog number | 28738 | 44878 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:50 | 2021 Jan 17 17:29 |
| Time of closest approach (UTC) | 2020 Dec 05 14:50:34.078 |
| Minimum distance | 33.880 km |
| Height difference | 0.194 km |
| Relative speed | 14.891 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 48.4°S, 128.4°W |
| Height | 546 km |
|