| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | IRIDIUM 33 DEB |
| Spacetrack catalog number | 15766 | 38028 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Jun 15 04:40 | 2025 Jun 15 11:03 |
| Time of closest approach (UTC) | 2025 May 16 21:30:29.717 |
| Minimum distance | 48.526 km |
| Height difference | 3.013 km |
| Relative speed | 14.830 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 33.8°S, 109.0°W |
| Height | 766 km |
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