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Black Holes Encyclopedia
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Intermediate mass black holes

The next step up is black holes that are thousands of times as massive as the Sun. Many objects may fit this category, but only a few likely candidates have been discovered.

 NameDistanceMass
ESO 243-49 HLX-1 ESO 243-49 HLX-1
Diameter roughly equal to the diameter of the planet Saturn
290 million light-years away in the constellation Phoenix Roughly 20,000 solar masses
G1 G1
52,000-86,000 miles (84,000-138,000 km), roughly equivalent to the diameter of Jupiter
2.3 million light-years away near the Andromeda galaxy (M31) 14,000 to 23,000 solar masses
M15 M15
Diameter roughly the size of Mars to the size of Earth
34,000 light-years away in the constellation Pegasus Approximately 1500 to 3,000 solar masses
M74 M74
Diameter about 37,000 miles (60,000 km), a bit larger than the planet Uranus
32 million light-years away in the constellation Pisces 10,000 solar masses
M82 X-1 M82 X-1
Diameter equal to the size of Mars
11 million light-years away in the constellation Ursa Major Approximately 1,000 solar masses
Omega Centauri Omega Centauri
Diameter 150,000 miles (240,000 km), about two-thirds of the distance from Earth to the Moon
17,000 light-years away in the constellation Centaurus 40,000 solar masses