| Primary satellite | Secondary satellite |
| Name | Cosmos 1356 | CZ-2D DEB |
| Spacetrack catalog number | 13153 | 45806 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 13 03:26 | 2021 Apr 13 04:11 |
| Time of closest approach (UTC) | 2021 Mar 08 04:55:14.519 |
| Minimum distance | 13.916 km |
| Height difference | 3.436 km |
| Relative speed | 15.278 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 72.6°N, 52.9°W |
| Height | 452 km |
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