| Primary satellite | Secondary satellite |
| Name | MetOp-A | DELTA 1 DEB |
| Spacetrack catalog number | 29499 | 37640 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 12:15 | 2020 Dec 30 09:20 |
| Time of closest approach (UTC) | 2020 Dec 08 05:43:56.006 |
| Minimum distance | 3.089 km |
| Height difference | -0.422 km |
| Relative speed | 14.509 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 48.3°N, 50.0°E |
| Height | 827 km |
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