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 have been confirmed.
| Name | Distance | Mass | |
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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 |
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M15 Diameter roughly the size of Mars to the size of Earth |
34 light-years away in the constellation Pegasus | Approximately 1500 to 3,000 solar masses |
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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 |
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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 |
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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 |







