| Primary satellite | Secondary satellite |
| Name | NOAA 15 | DELTA 1 DEB |
| Spacetrack catalog number | 25338 | 42563 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 22:58 | 2025 Jan 17 16:33 |
| Time of closest approach (UTC) | 2024 Dec 10 10:06:23.602 |
| Minimum distance | 7.237 km |
| Height difference | -0.797 km |
| Relative speed | 13.279 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 71.2°N, 111.4°E |
| Height | 816 km |
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