Interstellar Comet 3I/Atlas is 1000 to 100,000 Bigger Than Oumuamua and 2I/Borisov
by Brian Wang from NextBigFuture.com on (#70A84)
The total mass loss rate and outflow speed from its 3I/Atlas surface was used to infer its mass. The mass of 3I/ATLAS must be bigger than 33 billion tons. The diameter of its solid-density nucleus must be larger than 5 kilometers. This suggests that 3I/ATLAS is more massive than the other two interstellar objects, 1I/`Oumuamua ...