| Primary satellite | Secondary satellite |
| Name | Cosmos 1842 Rocket | PSLV R/B |
| Spacetrack catalog number | 17912 | 28651 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 09 15:45 | 2021 Apr 10 11:53 |
| Time of closest approach (UTC) | 2021 Mar 04 23:32:58.067 |
| Minimum distance | 9.682 km |
| Height difference | 4.747 km |
| Relative speed | 13.452 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 81.4°N, 120.7°E |
| Height | 620 km |
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