TOI 757 b

Exoplanet, sub-neptune

Star: TOI 757

Distance from the star: 0.122 AU

Orbit around star: 17.46819 days

Eccentricity: 0.39

Basic characteristic

Mass: 10.5 M Earth

Size: 2.5 R Earth | 0.2 R Jupiter

Density: 3705 kg/m3 | 67 % Earth

Temperature: 641 K | 368 °C

Year of discovery: 2024 (transit)

Other designations of this exoplanet
CD −34 8236 b, 2MASS J12315870−3533177 b, TYC 7242−01598−1 b, UCAC4 273−064695 b, WISE J123158.74−353316.5 b

TOI 757 system structure

Exoplanet TOI 757 b orbits star TOI 757, which has lower mass than Sun. It is the only known exoplanet orbiting this star


	TOI 757
		TOI 757 b	0.12 AU	10.5 M⊕	2.5 R⊕	17.5 days

Comparison

When comparing to the Solar system planets, TOI 757 b has 72 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	190.91	12.88	10.5	95.45	0.03	0.11	0.72	0.61
Size	6.53	2.63	2.5	4.72	0.22	0.27	0.63	0.66
Density	0.69	0.71	0.67	0.91	2.98	5.32	2.95	2.14
Distance	0.31	0.17	0.12	0.08	0.02	0.01	0.01	0
Temperature	1.46	0.87	2.23	3.08	3.93	4.82	8.22	8.9

Habitability

Habitable zone of the star: 0.6 - 0.8 AU

The planet is too hot to sustain liquid water.

The planet is a gas giant and has no surface.

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