HIP 48714 b
HIP 48714 b is a Neptune-like planet orbiting the M0.5 Ve star HIP 48714 in the constellation Ursa Major. It lies about 34 light-years from Earth and was discovered in 2020 using the radial velocity method.
Is HIP 48714 b in the Habitable Zone?
The position of HIP 48714 b relative to the habitable zone of HIP 48714 cannot be precisely determined from the available orbital data.
Orbit and Year Length
A year on HIP 48714 b — one full orbit around HIP 48714 — lasts 17.8 Earth days, shorter than Mercury's 88-day year. It orbits at an average distance of 0.112 AU — closer to its star than Mercury is to the Sun. Its orbit is highly elliptical (eccentricity 0.50), swinging dramatically closer to and farther from its star.
How Was HIP 48714 b Discovered?
HIP 48714 b was discovered in 2020 using the radial velocity method, with observations from Multiple Observatories.
The radial velocity method measures the subtle wobble of a star caused by the gravitational pull of an orbiting planet, visible as periodic shifts in the star's light spectrum. The size of the wobble reveals the planet's minimum mass.
How Far Away Is HIP 48714 b?
HIP 48714 b is 34.3 light-years (10.5 parsecs) from Earth. Light arriving here tonight left the planet around the year 1992. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 603,680 years to make the journey.
Earth Similarity Index
The Earth Similarity Index (ESI) scores how physically similar a planet is to Earth, from 0 to 1, based on radius, density, escape velocity and surface temperature. HIP 48714 b scores 0.30, ranking #1,443 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: HIP 48714
HIP 48714
- Spectral type
- M0.5 Ve
- Mass
- 0.58 M☉
Planetary System
HIP 48714 b is the only planet known to orbit HIP 48714 so far.
HIP 48714 b — Complete Data
| Mass (best estimate) | 22.90 Earth masses |
|---|---|
| Orbital period | 17.82 days |
| Orbital distance | 0.112 AU |
| Eccentricity | 0.500 |
| Earth Similarity Index | 0.30 |
| Distance from Earth | 34.3 light-years (10.5 parsecs) |
| Constellation | Ursa Major |
| Discovery method | Radial Velocity |
| Discovery facility | Multiple Observatories |
| Discovery year | 2020 |
Data: NASA Exoplanet Archive, last updated 2020-09-08. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HIP 48714 b
Is HIP 48714 b habitable?
HIP 48714 b is not known to orbit within the habitable zone of HIP 48714, and as a Neptune-like planet it is an unlikely candidate for life as we know it.
How far away is HIP 48714 b?
HIP 48714 b is about 34 light-years from Earth in the constellation Ursa Major. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 603,680 years to get there.
How long is a year on HIP 48714 b?
One orbit around HIP 48714 takes 17.8 Earth days — short enough that 20 of its years would fit into one Earth year.
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