| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | NIMBUS 2 DEB |
| Spacetrack catalog number | 42120 | 26816 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 05:14 | 2024 Dec 22 17:40 |
| Time of closest approach (UTC) | 2024 Dec 23 12:31:04.649 |
| Minimum distance | 4.534 km |
| Height difference | -2.658 km |
| Relative speed | 14.506 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 71.3°S, 134.1°E |
| Height | 1102 km |
|