Exoplanet Name : |
K2-8 b |
Alternate Name : |
"2MASS J11191047-0017036 b, EPIC 201445392 b, EPIC 201445392.01, WISE J111910.45-001703.8 b" |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.3190 |
(Rjup) |
3.5757 |
(Rearth) |
Mass (Mjup / Me): |
0.0271 |
(Mjup) |
8.6285 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0856 |
(AU) |
0.0856 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0283 |
Orbital Period(Observed/Estimated) |
10.35 |
(Days Obs.) |
10.36 |
(Days Est.) |
Surface Gravity (G Earth) |
0.6749 |
Star Radiation at Atmospheric Boundary: |
51550.9 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
672.5 |
(K) |
Blackbody T 0.3(K) |
631.6 |
(K) |
Blackbody T 0.7(K) |
511.0 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
799.8 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
751.1 |
(K) |
Size Class: |
Neptune-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
K2-8 |
Alternate Name : |
"EPIC 201445392, 2MASS J11191047-0017036, WISE J111910.45-001703.8" |
Star Distance(LY) : |
1331.8 |
Stellar Radius(Rsun) : |
0.7 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4870 |
(K) |
Spectral type : |
K3 V |
UV portion[%]: |
2.7 |
Visible portion[%]: |
35.9 |
IR portion[%]: |
61.4 |
Metalicity : |
-0.0 |
Absolute Magnitude: |
6.3 |
Apparent Magnitude: |
14.4 |
Right Ascension(RA) |
169.7937 |
Declination (DEC) |
-0.2844 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
"Benjamin T. Montet, Timothy D. Morton, Daniel Foreman-Mackey, John Asher Johnson, David W. Hogg, Brendan P. Bowler, David W. Latham, Allyson Bieryla, Andrew W. Mann, " |
Discovery Paper - Title |
"STELLAR AND PLANETARY PROPERTIES OF K2 CAMPAIGN 1 CANDIDATES AND VALIDATION OF 18 SYSTEMS, INCLUDING A PLANET RECEIVING EARTH-LIKE INSOLATION " |
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=K2-8+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/EPIC%20201445392%20b/ |
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