| Primary satellite | Secondary satellite |
| Name | SL-27 R/B | SZ-19 |
| Spacetrack catalog number | 39195 | 61683 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:49 | 2024 Dec 22 19:37 |
| Time of closest approach (UTC) | 2024 Dec 24 02:39:05.862 |
| Minimum distance | 1.231 km |
| Height difference | 0.266 km |
| Relative speed | 10.483 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 39.0°N, 61.4°W |
| Height | 390 km |
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