| Primary satellite | Secondary satellite |
| Name | Courier 1B | SL-08 R/B |
| Spacetrack catalog number | 58 | 27437 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2022 Jun 28 13:11 | 2022 Jun 28 09:31 |
| Time of closest approach (UTC) | 2022 Jun 01 18:20:14.228 |
| Minimum distance | 6.261 km |
| Height difference | -6.179 km |
| Relative speed | 10.056 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 28.2°S, 175.6°W |
| Height | 1019 km |
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