| Primary satellite | Secondary satellite |
| Name | Cosmos 1733 | JILIN-01-09 |
| Spacetrack catalog number | 16611 | 43943 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 20 11:47 | 2021 Jan 20 17:49 |
| Time of closest approach (UTC) | 2020 Dec 07 04:48:51.086 |
| Minimum distance | 66.000 km |
| Height difference | -2.025 km |
| Relative speed | 14.572 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 82.4°N, 172.5°E |
| Height | 536 km |
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