description 61 Virginis b Overview
61 Virginis b is the innermost known planet in the 61 Virginis system, orbiting a nearby Sun-like star about 28 light-years away. It has a minimum mass of approximately 5.1 Earth masses and completes an orbit in about 4.2 days, so it is classified as a short-period super-Earth rather than an Earth analogue. The planet was identified from the small Doppler motion that its gravity induces in the host star.
help 61 Virginis b FAQ
What type of planet is 61 Virginis b?
61 Virginis b is the innermost known planet in the 61 Virginis system. It has a minimum mass of approximately 5.1 Earth masses and is classified as a short-period super-Earth.
How long is a year on 61 Virginis b?
The planet completes an orbit in about 4.2 days. Its close orbit around the nearby Sun-like star 61 Virginis makes it a strongly irradiated world.
How far away is 61 Virginis?
The 61 Virginis system is about 28 light-years from Earth. The host star is relatively similar to the Sun, although it is somewhat older and cooler.
Does 61 Virginis b transit its star?
It is known primarily from radial-velocity measurements rather than a confirmed transit. That means the approximately 5.1-Earth-mass figure is a minimum mass.
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