| Primary satellite | Secondary satellite |
| Name | Altair | BREEZE-KM R/B |
| Spacetrack catalog number | 50 | 39764 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 May 29 22:19 | 2023 May 29 21:08 |
| Time of closest approach (UTC) | 2023 Mar 31 09:54:48.433 |
| Minimum distance | 28.749 km |
| Height difference | 1.886 km |
| Relative speed | 11.226 km/s |
| Angle between velocity vectors | 105° |
| Geographic position | 41.7°N, 7.4°W |
| Height | 1505 km |
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