| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 | NOAA 16 DEB |
| Spacetrack catalog number | 23087 | 42388 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 09:12 | 2021 Mar 06 13:58 |
| Time of closest approach (UTC) | 2021 Jan 20 23:22:10.235 |
| Minimum distance | 98.987 km |
| Height difference | 3.947 km |
| Relative speed | 7.577 km/s |
| Angle between velocity vectors | 61° |
| Geographic position | 61.3°N, 163.3°E |
| Height | 859 km |
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