| Primary satellite | Secondary satellite |
| Name | Meteor 2-11 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 15100 | 12667 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 04:19 | 2021 Jan 23 04:17 |
| Time of closest approach (UTC) | 2020 Dec 01 14:51:13.285 |
| Minimum distance | 16.367 km |
| Height difference | 3.991 km |
| Relative speed | 11.172 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 78.8°S, 144.5°E |
| Height | 982 km |
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