| Primary satellite | Secondary satellite |
| Name | Cosmos 1782 | PSLV DEB |
| Spacetrack catalog number | 16986 | 28430 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 11 05:51 | 2021 Apr 11 05:13 |
| Time of closest approach (UTC) | 2021 Mar 05 15:36:34.012 |
| Minimum distance | 5.087 km |
| Height difference | 5.063 km |
| Relative speed | 15.139 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 66.7°S, 39.6°E |
| Height | 573 km |
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