| Primary satellite | Secondary satellite |
| Name | Cosmos 1025 Rocket | CZ-2D DEB |
| Spacetrack catalog number | 10974 | 38298 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 17:18 | 2021 Jan 17 17:19 |
| Time of closest approach (UTC) | 2020 Dec 05 22:48:31.040 |
| Minimum distance | 1.612 km |
| Height difference | 1.239 km |
| Relative speed | 11.031 km/s |
| Angle between velocity vectors | 93° |
| Geographic position | 79.6°N, 36.7°E |
| Height | 609 km |
|