| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | Cosmos 1726 Rocket |
| Spacetrack catalog number | 12227 | 16496 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:51 | 2024 Dec 23 09:36 |
| Time of closest approach (UTC) | 2024 Dec 29 11:16:11.157 |
| Minimum distance | 3.153 km |
| Height difference | 0.120 km |
| Relative speed | 15.072 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 16.1°N, 140.6°W |
| Height | 626 km |
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