| Primary satellite | Secondary satellite |
| Name | Cosmos 2263 Rocket | COSMOS 1275 DEB |
| Spacetrack catalog number | 22803 | 42141 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 20:39 | 2021 Feb 25 01:55 |
| Time of closest approach (UTC) | 2021 Jan 20 04:42:36.374 |
| Minimum distance | 49.324 km |
| Height difference | -2.374 km |
| Relative speed | 3.206 km/s |
| Angle between velocity vectors | 25° |
| Geographic position | 58.8°S, 26.4°E |
| Height | 851 km |
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