| Primary satellite | Secondary satellite |
| Name | Altair | deb Kosmos-2125 |
| Spacetrack catalog number | 50 | 21722 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2023 May 28 01:06 | 2023 May 28 00:21 |
| Time of closest approach (UTC) | 2023 Mar 23 09:09:46.047 |
| Minimum distance | 35.008 km |
| Height difference | -0.751 km |
| Relative speed | 8.373 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 47.2°N, 8.7°E |
| Height | 1506 km |
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