| Primary satellite | Secondary satellite |
| Name | MetOp-A | deb Kosmos-1275 |
| Spacetrack catalog number | 29499 | 17619 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 12:15 | 2021 Jan 16 10:33 |
| Time of closest approach (UTC) | 2020 Dec 08 11:47:52.607 |
| Minimum distance | 3.298 km |
| Height difference | -0.401 km |
| Relative speed | 14.878 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 16.3°S, 131.9°E |
| Height | 828 km |
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