Definition of Trojan asteroid
: an asteroid whose average position is at one corner of an equilateral triangle formed with the sun and the planet Jupiter either eastward or westward of the planet
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of trojan asteroid
so called from its being one of the group whose members bear the names of Trojan heroes
Seen and Heard
What made you want to look up Trojan asteroid? Please tell us where you read or heard it (including the quote, if possible).