| Primary satellite | Secondary satellite |
| Name | NOAA 11 | deb Kosmos-1275 |
| Spacetrack catalog number | 19531 | 19047 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 13 11:59 | 2025 May 12 18:57 |
| Time of closest approach (UTC) | 2025 Apr 29 05:03:07.563 |
| Minimum distance | 1.100 km |
| Height difference | -0.080 km |
| Relative speed | 14.817 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 64.8°S, 160.0°E |
| Height | 868 km |
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