| Primary satellite | Secondary satellite |
| Name | Cosmos 1812 | PSLV DEB |
| Spacetrack catalog number | 17295 | 27132 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 15 20:27 | 2021 Apr 15 17:19 |
| Time of closest approach (UTC) | 2021 Mar 04 13:59:39.615 |
| Minimum distance | 6.057 km |
| Height difference | 5.935 km |
| Relative speed | 15.191 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 48.9°S, 65.3°E |
| Height | 537 km |
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