| Primary satellite | Secondary satellite |
| Name | Cosmos 1544 Rocket | ARIANE 5 R/B |
| Spacetrack catalog number | 14820 | 28499 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 22 08:10 | 2023 Sep 22 08:42 |
| Time of closest approach (UTC) | 2023 Jun 02 22:02:31.244 |
| Minimum distance | 73.150 km |
| Height difference | -2.086 km |
| Relative speed | 15.059 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 82.5°N, 29.8°W |
| Height | 616 km |
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