HAT-P-11 b

Exoplanet

Star: HAT-P-11

Distance from the star: 0.053 AU

Orbit around star: 4.887802 days

Eccentricity: 0.2644

Basic characteristic

Mass: 27.7 M Earth

Size: 4.36 R Earth | 0.4 R Jupiter

Density: 1845 kg/m3 | 33 % Earth

Temperature: 787 K | 514 °C

Year of discovery: 2009 (transit)

Other designations of this exoplanet
2MASS 19505021+4804508 b, GSC 03561-02092 b, BD+47°2936 b, HIC 97657 b, HIP 97657 b, NLTT 48335 b, KOI-3 b, KIC 10748390 b

Comparison

When comparing to the Solar system planets, HAT-P-11 b has 1.61 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.

	Mercury	Venus	Earth	Mars	Jupiter	Saturn	Uranus	Neptune
Mass	504.36	34.04	27.74	252.18	0.09	0.29	1.9	1.61
Size	11.39	4.59	4.36	8.23	0.39	0.48	1.09	1.15
Density	0.34	0.35	0.33	0.45	1.48	2.65	1.47	1.07
Distance	0.14	0.07	0.05	0.03	0.01	0.01	0	0
Temperature	1.79	1.07	2.73	3.78	4.83	5.92	10.09	10.93

HAT-P-11 system structure

Exoplanet HAT-P-11 b orbits star HAT-P-11, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.

HAT-P-11
	HAT-P-11 b	0.05 AU	27.7 M⊕	4.4 R⊕	4.9 days
	HAT-P-11 c	4.13 AU	731.2 M⊕		3397 days

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