| Primary satellite | Secondary satellite |
| Name | deb Agena D | deb Kosmos-1275 |
| Spacetrack catalog number | 4651 | 20089 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Nov 16 08:22 | 2025 Nov 15 14:21 |
| Time of closest approach (UTC) | 2025 Oct 18 12:36:21.377 |
| Minimum distance | 65.779 km |
| Height difference | -1.476 km |
| Relative speed | 2.250 km/s |
| Angle between velocity vectors | 17° |
| Geographic position | 3.8°N, 3.9°W |
| Height | 857 km |
|