| Primary satellite | Secondary satellite |
| Name | Cosmos 1975 Rocket | CZ-2D DEB |
| Spacetrack catalog number | 19574 | 44610 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 16:33 | 2021 Jan 17 05:56 |
| Time of closest approach (UTC) | 2020 Dec 02 08:40:37.443 |
| Minimum distance | 80.279 km |
| Height difference | 0.322 km |
| Relative speed | 5.025 km/s |
| Angle between velocity vectors | 39° |
| Geographic position | 66.4°S, 38.6°E |
| Height | 629 km |
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