| Primary satellite | Secondary satellite |
| Name | SL-08 R/B | deb NNS O-7 |
| Spacetrack catalog number | 27535 | 11991 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2026 Jan 19 05:49 | 2026 Jan 19 04:21 |
| Time of closest approach (UTC) | 2025 Dec 12 23:31:05.961 |
| Minimum distance | 5.902 km |
| Height difference | -1.637 km |
| Relative speed | 12.012 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 82.6°N, 86.1°E |
| Height | 972 km |
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