description 61 Virginis d Overview
61 Virginis d is the outermost member of the three-planet system reported around the nearby Sun-like star 61 Virginis. It was identified through the radial-velocity method and has an orbital period of about 123 days. Its minimum mass is approximately 22.9 times that of Earth, placing it in the Neptune-mass or super-Earth range, although the true mass depends on the inclination of its orbit.
help 61 Virginis d FAQ
What is 61 Virginis d in the 61 Virginis system?
61 Virginis d is the outermost member of the three-planet system reported around the nearby Sun-like star 61 Virginis. It is identified as a planet through measurements of the star's motion.
How was 61 Virginis d detected?
It was identified using the radial-velocity method. This method looks for small changes in the motion of 61 Virginis caused by an orbiting planet.
How long is a year on 61 Virginis d?
Its orbital period is about 123 days. That is the time it takes the planet to complete one orbit around 61 Virginis.
Could 61 Virginis d have an Earth-like surface?
The catalogued minimum mass is approximately 22.9 times the mass of Earth, so its composition is not established as Earth-like. A mass estimate alone cannot confirm a solid surface, atmosphere, or habitability.
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