| Primary satellite | Secondary satellite |
| Name | Cosmos 2181 Rocket | deb Delta |
| Spacetrack catalog number | 21903 | 21470 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jul 15 10:39 | 2025 Jul 14 23:52 |
| Time of closest approach (UTC) | 2024 Jun 22 09:46:01.106 |
| Minimum distance | 8628.043 km |
| Height difference | 11.899 km |
| Relative speed | 13.852 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 20.2°S, 25.4°E |
| Height | 1022 km |
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