天文学百科 The Astronomy Book (Big Ideas Simply Explained)
The aberration of light causes objects to appear to be angled towards the direction of a moving observer, in this case Earth as it moves through space.
So then we can say this is going to be approximately, or if we didn't get a weird, completely skewed sample, it actually might not even be approximately if we just had a really strange sample.
天文学百科 The Astronomy Book (Big Ideas Simply Explained)
2016 A skewing of the orbits of Kuiper belt objects suggests that there is a Neptune-sized planet much farther out in space, orbiting the Sun every 15,000 years.