| Primary satellite | Secondary satellite |
| Name | Cosmos 726 Rocket | deb Kosmos-1375 |
| Spacetrack catalog number | 7737 | 16208 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Dec 10 16:20 | 2025 Dec 10 13:27 |
| Time of closest approach (UTC) | 2024 Nov 09 04:06:14.553 |
| Minimum distance | 2205.690 km |
| Height difference | 3.218 km |
| Relative speed | 11.322 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 50.7°S, 132.5°E |
| Height | 994 km |
|