| Primary satellite | Secondary satellite |
| Name | Cosmos 1763 Rocket | IRIDIUM 159 |
| Spacetrack catalog number | 16864 | 43578 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 16 14:30 | 2021 Jan 16 11:28 |
| Time of closest approach (UTC) | 2020 Nov 29 06:05:18.961 |
| Minimum distance | 62.786 km |
| Height difference | -2.520 km |
| Relative speed | 11.059 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 73.1°S, 10.3°E |
| Height | 806 km |
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