| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 | Sep Motor Cover |
| Spacetrack catalog number | 19119 | 22290 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jan 28 16:00 | 2023 Jan 28 21:15 |
| Time of closest approach (UTC) | 2022 Dec 01 07:07:22.092 |
| Minimum distance | 76.656 km |
| Height difference | -0.978 km |
| Relative speed | 13.864 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 29.8°S, 109.9°W |
| Height | 849 km |
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