| Primary satellite | Secondary satellite |
| Name | Altair 2 | COSMOS 1275 DEB |
| Spacetrack catalog number | 1953 | 42117 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:59 | 2024 Dec 22 20:46 |
| Time of closest approach (UTC) | 2024 Dec 25 08:28:00.088 |
| Minimum distance | 3.175 km |
| Height difference | -1.170 km |
| Relative speed | 14.526 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 71.6°S, 123.4°E |
| Height | 946 km |
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