| Primary satellite | Secondary satellite |
| Name | NOAA 15 | SENTINEL 3B |
| Spacetrack catalog number | 25338 | 43437 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 May 29 16:58 | 2023 May 29 14:45 |
| Time of closest approach (UTC) | 2023 Mar 22 10:21:48.442 |
| Minimum distance | 418.575 km |
| Height difference | 2.698 km |
| Relative speed | 4.783 km/s |
| Angle between velocity vectors | 38° |
| Geographic position | 80.2°S, 104.2°W |
| Height | 827 km |
|