(55565) 2002 AW197 is a classical trans-Neptunian object from the Kuiper belt. It has a diameter of at least 700 kilometers ( i. e 430 miles). It is the largest unnamed object in the Solar System and the largest planetoid without a moon. It was discovered at Palomar Observatory in 2002. It has a rotation period of 8.8 hours.
Discovery[change | change source]
2002 AW197 was discovered on 10 January 2002, by astronomers at the Palomar Observatory in California. Astronomers involved in the discovery were Michael Brown, Chad Trujillo, Eleanor Helin, Michael Hicks, Kenneth Lawrence and Steven H. Pravdo.
Physical characteristics[change | change source]
Orbit[change | change source]
References[change | change source]
- "Astronomer Mike Brown". web.gps.caltech.edu. Retrieved 2020-12-05.
- "LCDB Data for (55565)". www.minorplanet.info. Retrieved 2020-12-05.
- "IAU Minor Planet Center". www.minorplanetcenter.net. Retrieved 2020-12-05.
- "MPEC 2002-O30 : 2002 AW197". minorplanetcenter.net. Retrieved 2020-12-05.
- "JPL Small-Body Database Browser". ssd.jpl.nasa.gov. Retrieved 2020-12-05.