| Primary satellite | Secondary satellite |
| Name | NOAA 6 | COSMOS 2251 DEB |
| Spacetrack catalog number | 11416 | 33762 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 12:56 | 2021 Apr 14 14:32 |
| Time of closest approach (UTC) | 2021 Mar 06 09:20:42.250 |
| Minimum distance | 6.742 km |
| Height difference | 2.129 km |
| Relative speed | 14.877 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 19.8°N, 122.9°E |
| Height | 790 km |
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