| Primary satellite | Secondary satellite |
| Name | Cosmos 2285 Rocket | YAOGAN 25B |
| Spacetrack catalog number | 23190 | 40339 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 16 18:33 | 2021 Apr 16 13:49 |
| Time of closest approach (UTC) | 2021 Mar 03 09:49:13.385 |
| Minimum distance | 10.135 km |
| Height difference | -4.152 km |
| Relative speed | 12.751 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 43.4°S, 96.3°W |
| Height | 1016 km |
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