| Primary satellite | Secondary satellite |
| Name | Kosmos-2040 | deb ESSA 3 |
| Spacetrack catalog number | 20234 | 2775 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:45 | 2024 Dec 21 14:23 |
| Time of closest approach (UTC) | 2024 Dec 25 13:34:54.827 |
| Minimum distance | 2.812 km |
| Height difference | 2.597 km |
| Relative speed | 13.711 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 78.5°S, 152.3°E |
| Height | 1444 km |
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