| Primary satellite | Secondary satellite |
| Name | MetOp-A | CZ-4C DEB |
| Spacetrack catalog number | 29499 | 36417 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:40 | 2021 Jan 17 12:49 |
| Time of closest approach (UTC) | 2020 Nov 29 09:02:11.980 |
| Minimum distance | 9.310 km |
| Height difference | 0.385 km |
| Relative speed | 14.818 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 14.8°N, 6.7°W |
| Height | 822 km |
|