| Primary satellite | Secondary satellite |
| Name | SL-19 R/B | FLYING LAPTOP |
| Spacetrack catalog number | 37363 | 42831 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 07 18:52 | 2021 Mar 07 13:44 |
| Time of closest approach (UTC) | 2021 Jan 23 13:46:55.734 |
| Minimum distance | 655.315 km |
| Height difference | 22.215 km |
| Relative speed | 13.514 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 65.8°N, 98.7°W |
| Height | 593 km |
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