| Primary satellite | Secondary satellite |
| Name | Cosmos 1743 Rocket | LT-1 O1A |
| Spacetrack catalog number | 16720 | 51284 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:33 | 2024 Dec 22 20:53 |
| Time of closest approach (UTC) | 2024 Dec 24 23:18:22.354 |
| Minimum distance | 3.303 km |
| Height difference | -3.055 km |
| Relative speed | 15.006 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 82.2°N, 172.9°W |
| Height | 618 km |
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