Orcus

Orcus Orbits the sun 39.34 AU with a 248-year period (almost the same as Pluto)

estimated size 1100 (km) pluto is 2300km

discovered in 2004 and named after Roman god of the underworld

Orcus is composed of rock and ice (Crystalline water ice, and possibly ammonia ice) with a surface temperature of less than 44 K

Mass: 6.2 - 70×1020 kg

Density: 2.3 g/cm³

Surface gravity: 0.2348 - 0.5254 m/s²

Moons: 1 Vanth diameter around 280 km

Vanth obits Orcus once every 10 days and is tidally locked (always shows the same face towards Orcus)