The HIP 9618 System
HIP 9618 is a planetary system in the constellation Aries hosting 2 confirmed exoplanets, about 220 light-years from Earth.
Size Comparison: The Planets of HIP 9618
HIP 9618: Star and Habitable Zone
HIP 9618
- Surface temperature
- 5,649 K (Sun: 5,772 K)
- Mass
- 0.94 M☉
- Radius
- 0.96 R☉
- Luminosity
- 0.8480 L☉
- Age
- 5.6 billion years (Sun: 4.6)
Habitable zone of HIP 9618: 0.696–1.647 AU (conservative: 0.882–1.561 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the HIP 9618 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HIP 9618 b | Puffy Planet | 21 d | 3.83 R⊕ | 0.21 | 2023 |
| HIP 9618 c | Puffy Planet | 53 d | 3.43 R⊕ | 0.29 | 2023 |
Discovery History
The first planet found here, HIP 9618 b, was discovered in 2023 using the transit method.
- 2023 — HIP 9618 b (Transit)
- 2023 — HIP 9618 c (Transit)
Frequently Asked Questions About HIP 9618
How many planets does HIP 9618 have?
HIP 9618 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HIP 9618 system habitable?
None of the known planets in HIP 9618 orbit within the star's habitable zone.
How far away is HIP 9618?
HIP 9618 is about 220 light-years from Earth in the constellation Aries.
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