| Primary satellite | Secondary satellite |
| Name | NOAA 11 | Sep Motor Cover |
| Spacetrack catalog number | 19531 | 18410 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 13 11:59 | 2025 May 12 15:00 |
| Time of closest approach (UTC) | 2025 Apr 29 23:41:00.494 |
| Minimum distance | 3.722 km |
| Height difference | -3.403 km |
| Relative speed | 13.760 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 69.9°S, 113.8°W |
| Height | 870 km |
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