TOI 178 d

Exoplanet, sub-neptune

Star: TOI 178

Distance from the star: 0.05927 AU

Orbit around star: 6.557721 days

Eccentricity: 0.01

Basic characteristic

Mass: 3 M Earth

Size: 2.717 R Earth | 0.2 R Jupiter

Density: 827 kg/m3 | 15 % Earth

Year of discovery: 2021 (transit)

Other designations of this exoplanet
2MASS J00291228-3027133 d, Gaia DR2 2318295979126499200 d, TIC 251848941 d, TYC 6991-00475-1 d

Comparison

When comparing to the Solar system planets, TOI 178 d has 21 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	54.73	3.69	3.01	27.36	0.01	0.03	0.21	0.18
Size	7.1	2.86	2.72	5.13	0.24	0.3	0.68	0.72
Density	0.15	0.16	0.15	0.2	0.66	1.19	0.66	0.48
Distance	0.15	0.08	0.06	0.04	0.01	0.01	0	0

TOI 178 system structure

Exoplanet TOI 178 d orbits star TOI 178, which has lower mass than Sun. It is one of 6 known exoplanets orbiting this star.

TOI 178
	TOI 178 b	0.03 AU	1.5 M⊕	1.1 R⊕	1.9 days
	TOI 178 e	0.03 AU	3.9 M⊕	2.2 R⊕	10 days
	TOI 178 c	0.04 AU	4.8 M⊕	1.7 R⊕	3.2 days
	TOI 178 d	0.06 AU	3 M⊕	2.7 R⊕	6.6 days
	TOI 178 f	0.1 AU	7.7 M⊕	2.5 R⊕	15.2 days
	TOI 178 g	0.13 AU	3.9 M⊕	2.9 R⊕	20.7 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