| Primary satellite | Secondary satellite |
| Name | Cosmos 1726 Rocket | PSLV DEB |
| Spacetrack catalog number | 16496 | 27153 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 19:03 | 2021 Mar 08 11:46 |
| Time of closest approach (UTC) | 2021 Jan 26 03:00:17.733 |
| Minimum distance | 21.209 km |
| Height difference | 0.381 km |
| Relative speed | 15.051 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 80.9°N, 168.0°E |
| Height | 623 km |
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