| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | deb Kosmos-1275 |
| Spacetrack catalog number | 15755 | 12733 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 20:23 | 2023 Mar 20 04:29 |
| Time of closest approach (UTC) | 2023 Jan 29 13:37:48.389 |
| Minimum distance | 682.735 km |
| Height difference | 2.849 km |
| Relative speed | 14.280 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 47.9°N, 48.0°E |
| Height | 814 km |
|