| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | Cosmos 1066 |
| Spacetrack catalog number | 37658 | 11165 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:55 | 2024 Dec 22 17:58 |
| Time of closest approach (UTC) | 2024 Dec 29 08:34:35.528 |
| Minimum distance | 4.433 km |
| Height difference | -4.357 km |
| Relative speed | 14.789 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 80.7°N, 58.8°W |
| Height | 864 km |
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