| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42180 | 34732 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 00:13 | 2024 Dec 23 02:58 |
| Time of closest approach (UTC) | 2024 Dec 24 09:54:29.188 |
| Minimum distance | 4.177 km |
| Height difference | 3.959 km |
| Relative speed | 4.921 km/s |
| Angle between velocity vectors | 38° |
| Geographic position | 71.9°S, 31.7°E |
| Height | 730 km |
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