| Primary satellite | Secondary satellite |
| Name | OAO 1 | COSMOS 1275 DEB |
| Spacetrack catalog number | 2142 | 42111 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:56 | 2024 Dec 22 10:51 |
| Time of closest approach (UTC) | 2024 Dec 26 04:46:30.704 |
| Minimum distance | 3.606 km |
| Height difference | -2.960 km |
| Relative speed | 6.858 km/s |
| Angle between velocity vectors | 55° |
| Geographic position | 22.6°N, 7.8°E |
| Height | 777 km |
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