| Primary satellite | Secondary satellite |
| Name | DOVE 4 | COSMOS 1818 COOLANT |
| Spacetrack catalog number | 39430 | 50780 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Aug 17 23:41 | 2022 Aug 11 05:47 |
| Time of closest approach (UTC) | 2022 Jun 28 21:00:07.026 |
| Minimum distance | 47.828 km |
| Height difference | 1.406 km |
| Relative speed | 14.189 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 55.7°S, 22.9°E |
| Height | 783 km |
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