| Primary satellite | Secondary satellite |
| Name | Cosmos 1269 | deb Delta 139 |
| Spacetrack catalog number | 12442 | 12172 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:15 | 2024 Dec 22 00:38 |
| Time of closest approach (UTC) | 2024 Dec 27 07:13:28.527 |
| Minimum distance | 1.091 km |
| Height difference | 0.439 km |
| Relative speed | 12.661 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 74.0°N, 142.9°E |
| Height | 802 km |
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