| Primary satellite | Secondary satellite |
| Name | Meteor 1-15 Rocket | IRS P6 |
| Spacetrack catalog number | 6660 | 28050 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 19 03:58 | 2021 Jan 18 20:18 |
| Time of closest approach (UTC) | 2020 Nov 28 00:16:01.980 |
| Minimum distance | 163.991 km |
| Height difference | -0.572 km |
| Relative speed | 6.141 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 69.1°N, 178.3°E |
| Height | 879 km |
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