| Primary satellite | Secondary satellite |
| Name | Meteor 2-5 Rocket | deb Delta 139 |
| Spacetrack catalog number | 11608 | 12185 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 11:36 | 2021 Jan 23 12:52 |
| Time of closest approach (UTC) | 2020 Dec 01 00:27:57.211 |
| Minimum distance | 1.031 km |
| Height difference | -0.990 km |
| Relative speed | 14.882 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 45.2°S, 177.1°E |
| Height | 850 km |
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