| Primary satellite | Secondary satellite |
| Name | Courier 1B | SL-16 Debris |
| Spacetrack catalog number | 58 | 25412 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 28 01:39 | 2023 May 28 00:56 |
| Time of closest approach (UTC) | 2023 Mar 23 06:00:37.262 |
| Minimum distance | 145.770 km |
| Height difference | 1.410 km |
| Relative speed | 9.787 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 24.9°N, 133.2°W |
| Height | 971 km |
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