| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | SL-16 DEB |
| Spacetrack catalog number | 31114 | 39911 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 18:57 | 2021 Jan 08 22:58 |
| Time of closest approach (UTC) | 2020 Nov 29 04:25:06.194 |
| Minimum distance | 9.995 km |
| Height difference | -1.540 km |
| Relative speed | 14.634 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 54.6°S, 52.8°E |
| Height | 888 km |
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