| Primary satellite | Secondary satellite |
| Name | Cosmos 1766 | SNAP-3 EDDIE |
| Spacetrack catalog number | 16881 | 40972 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:21 | 2024 Dec 22 15:16 |
| Time of closest approach (UTC) | 2024 Dec 23 19:37:08.415 |
| Minimum distance | 4.303 km |
| Height difference | 2.515 km |
| Relative speed | 12.857 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 57.1°S, 5.8°E |
| Height | 495 km |
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