HIP 29442 b

Exoplanet, sub-neptune

Star: HIP 29442

Distance from the star: 0.1070 AU

Orbit around star: 13.63083 days

Basic characteristic

Mass: 9.6 M Earth

Size: 3.48 R Earth | 0.3 R Jupiter

Density: 1256 kg/m3 | 23 % Earth

Temperature: 777 K | 504 °C

Year of discovery: 2023 (transit)

Other designations of this exoplanet
TOI-469 b

Comparison

When comparing to the Solar system planets, HIP 29442 b has 66 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	174.55	11.78	9.6	87.27	0.03	0.1	0.66	0.56
Size	9.09	3.66	3.48	6.57	0.31	0.38	0.87	0.92
Density	0.23	0.24	0.23	0.31	1.01	1.8	1	0.73
Distance	0.27	0.15	0.11	0.07	0.02	0.01	0.01	0
Temperature	1.77	1.05	2.7	3.74	4.77	5.84	9.96	10.79

HIP 29442 system structure

Exoplanet HIP 29442 b orbits star HIP 29442, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.

HIP 29442
	HIP 29442 c	0.04 AU	4.5 M⊕	1.6 R⊕	3.5 days
	HIP 29442 d	0.06 AU	5.1 M⊕	1.4 R⊕	6.4 days
	HIP 29442 b	0.11 AU	9.6 M⊕	3.5 R⊕	13.6 days

Get your next news from nearby stars

This is a new project, and partly still in development. There will be soon more information and functions. We would love your support on social media.

Living Future: Nearby stars

Visit profile on X Follow @LIVINGfUTUREcz