| Primary satellite | Secondary satellite |
| Name | Cosmos 1400 Rocket | PSLV DEB |
| Spacetrack catalog number | 13403 | 27216 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 13:21 | 2021 Mar 08 12:11 |
| Time of closest approach (UTC) | 2021 Jan 18 06:20:28.464 |
| Minimum distance | 6.877 km |
| Height difference | 6.687 km |
| Relative speed | 15.163 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 12.9°N, 171.7°E |
| Height | 553 km |
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