| Primary satellite | Secondary satellite |
| Name | NOAA 6 | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 11416 | 39660 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 12:56 | 2021 Apr 14 01:59 |
| Time of closest approach (UTC) | 2021 Mar 06 10:19:57.443 |
| Minimum distance | 16.955 km |
| Height difference | 4.516 km |
| Relative speed | 7.090 km/s |
| Angle between velocity vectors | 57° |
| Geographic position | 51.7°S, 79.9°W |
| Height | 793 km |
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