136199 Eris is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. https://in-the-sky.org/news.php?id=20210414_13_100
136199 Eris is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. https://in-the-sky.org/news.php?id=20210414_13_100