| Primary satellite | Secondary satellite |
| Name | Meteor 2-1 Rocket | COSMOS 1275 DEB |
| Spacetrack catalog number | 8027 | 42128 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 04 09:55 | 2021 Mar 04 08:19 |
| Time of closest approach (UTC) | 2021 Jan 20 23:18:44.556 |
| Minimum distance | 14.468 km |
| Height difference | -5.737 km |
| Relative speed | 14.647 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 5.1°N, 120.8°E |
| Height | 909 km |
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