| Primary satellite | Secondary satellite |
| Name | SL-08 R/B | deb Delta 139 |
| Spacetrack catalog number | 27561 | 12203 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:41 | 2024 Dec 22 21:32 |
| Time of closest approach (UTC) | 2024 Dec 25 07:31:21.279 |
| Minimum distance | 3.920 km |
| Height difference | -3.920 km |
| Relative speed | 14.771 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 26.5°S, 167.3°E |
| Height | 737 km |
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