| Primary satellite | Secondary satellite |
| Name | Cosmos 2151 Rocket | CBERS 1 DEB |
| Spacetrack catalog number | 21423 | 32085 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 04:12 | 2021 Jan 10 10:31 |
| Time of closest approach (UTC) | 2020 Nov 28 01:09:32.906 |
| Minimum distance | 87.488 km |
| Height difference | 3.299 km |
| Relative speed | 15.030 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 82.5°N, 137.8°W |
| Height | 632 km |
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