| Primary satellite | Secondary satellite |
| Name | MetOp-A | deb Kosmos-1275 |
| Spacetrack catalog number | 29499 | 17640 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 12:15 | 2021 Jan 15 08:47 |
| Time of closest approach (UTC) | 2020 Dec 08 10:36:15.956 |
| Minimum distance | 31.050 km |
| Height difference | 3.745 km |
| Relative speed | 14.302 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 81.5°N, 61.6°E |
| Height | 834 km |
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