(278361) 2007 JJ43 is a large trans-Neptunian object (TNO) orbiting the Sun near the outer edge of the Kuiper belt. Its discovery images were taken in 2007, and its absolute magnitude of 4.5 is one of the twenty brightest exhibited by unnamed TNOs. It has a diameter of roughly 610 km, making it a possible dwarf planet.
---
This article is an automated import of the Wikipedia article "(278361) 2007 JJ43", available at https://en.wikipedia.org/wiki/(278361)_2007_JJ43 . Text is licensed under CC BY-SA 4.0.