| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | Meteor 1-10 |
| Spacetrack catalog number | 23088 | 5731 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 15 12:37 | 2021 Jan 14 20:25 |
| Time of closest approach (UTC) | 2020 Dec 05 21:14:59.628 |
| Minimum distance | 65.850 km |
| Height difference | -2.172 km |
| Relative speed | 5.825 km/s |
| Angle between velocity vectors | 46° |
| Geographic position | 70.1°N, 178.1°E |
| Height | 856 km |
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