| Primary satellite | Secondary satellite |
| Name | NOAA 15 | DELTA 1 DEB |
| Spacetrack catalog number | 25338 | 37671 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 29 16:58 | 2023 May 15 18:48 |
| Time of closest approach (UTC) | 2023 Mar 22 14:36:46.654 |
| Minimum distance | 310.850 km |
| Height difference | 3.699 km |
| Relative speed | 3.024 km/s |
| Angle between velocity vectors | 23° |
| Geographic position | 80.7°N, 40.2°W |
| Height | 821 km |
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