K2-18b
exoplanet
testun y ddelwedd: Художественное представление планеты K2-18 b (справа), вращающейся вокруг звезды K2-18 (слева). В центре показана предполагаемая планета K2-18 c., Artistic representation of planet K2-18 b (right) orbiting star K2-18 (left). The presumed planet K2-18 c is shown in the center.
Adnoddau allanol
| dynodwr SIMBAD | |
| NASA Exoplanet Archive ID | |
| dynodwr Wolfram Language (endid) | |
| dynodwr Google Knowledge Graph | |
| Extrasolar Planets Encyclopaedia exoplanet ID |
fideo
testun y ddelwedd: An artist’s impression of the planet K2-18b, its host star and an accompanying planet in the system
màs
8.63±1.35 Earth mass[4]
cod catalogio
darganfyddwr neu ddyfeisiwr
Kepler
dyddiad darganfod
Awst 2015[7]
argument of periapsis
−5.7±46.4 degree[3]
orbital period
32.940045±0.00001 diwrnod[4]
semi-major axis of an orbit
0.1591±0.00047 uned seryddol[4]
radiws
2.61±0.087 Earth radius[4]
categori Comin
K2-18 b
Cyfeiriadau
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 SIMBAD
- ↑ 197 candidates and 104 validated planets in K2's first five fields, Exoplanet Archive
- ↑ 3.0 3.1 3.2 The CARMENES Search for Exoplanets around M Dwarfs: A Low-mass Planet in the Temperate Zone of the Nearby K2-18, Exoplanet Archive
- ↑ 4.0 4.1 4.2 4.3 4.4 Water Vapor and Clouds on the Habitable-zone Sub-Neptune Exoplanet K2-18b, Exoplanet Archive
- ↑ 5.0 5.1 Spitzer observations confirm and rescue the habitable-zone super-Earth K2-18b for future characterization, Exoplanet Archive
- ↑ 6.0 6.1 Characterization of the K2-18 multi-planetary system with HARPS. A habitable zone super-Earth and discovery of a second, warm super-Earth on a non-coplanar orbit, Exoplanet Archive
- ↑ 7.0 7.1 7.2 Stellar and planetary properties of K2 campaign 1 candidates and validation of 17 planets, including a planet receiving earth-like insolation, Exoplanet Archive
- ↑ 8.0 8.1 8.2 8.3 8.4 8.5 8.6 Extrasolar Planets Encyclopaedia
- ↑ The Geochemical Potential for Metabolic Processes on the Sub-Neptune Exoplanet K2-18b
- ↑ 10.0 10.1 10.2 10.3 10.4 10.5 Exoplanet Archive
- ↑ inferred from equatorial coordinates
- ↑ 197 candidates and 104 validated planets in K2's first five fields
- ↑ SETI observations of exoplanets with the Allen Telescope Array
- ↑ Exoplanet Archive, K2-18, Stellar and planetary properties of K2 campaign 1 candidates and validation of 17 planets, including a planet receiving earth-like insolation
- ↑ Extrasolar Planets Encyclopaedia, 2MASS J11301450+0735180
- ↑ Tidal evolution of exoplanetary systems hosting potentially habitable exoplanets. The cases of LHS-1140 b-c and K2-18 b-c, Extrasolar Planets Encyclopaedia
- ↑ 17.0 17.1 17.2 17.3 17.4 Gaia Data Release 2