Michael Busch<p>Like <a href="https://mastodon.online/tags/Toutatis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Toutatis</span></a>, <a href="https://mastodon.online/tags/Apophis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Apophis</span></a> is a tumbling contact-binary ordinary chondrite asteroid.</p><p>But Apophis is less than 10% the length of Toutatis and is thousands of times less massive.</p>