p9 is not believed to be aligned with the ecliptic. The most recent article I've seen estimates it to be inclined around 30° relative [1] https://www.theguardi

p9 is not believed to be aligned with the ecliptic. The most recent article I've seen estimates it to be inclined around 30° relative [1] https://www.theguardian.com/science/2016/oct/19/planet-nine-solar-system-tilt-astronomers https://www.theguardian.com/science/2016/oct/19/planet-nine-...