| Primary satellite | Secondary satellite |
| Name | Cosmos 1025 Rocket | H-2A R/B |
| Spacetrack catalog number | 10974 | 43682 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 17:18 | 2021 Jan 17 15:16 |
| Time of closest approach (UTC) | 2020 Dec 08 21:50:30.207 |
| Minimum distance | 2.204 km |
| Height difference | 2.185 km |
| Relative speed | 15.059 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 78.2°N, 38.9°E |
| Height | 608 km |
|