|
Exoplanet Name : |
EPIC 206215704 b |
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Alternate Name : |
"2MASS J22202278-0930341 b, EPIC 206215704.02, K2-302 b" |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.0800 |
(Rjup) |
0.8967 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0021 |
(Mjup) |
0.6635 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.0250 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0062 |
|
Orbital Period(Observed/Estimated) |
2.25 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.8252 |
|
Star Radiation at Atmospheric Boundary: |
38407.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
624.8 |
(K) |
|
Blackbody T 0.3(K) |
586.8 |
(K) |
|
Blackbody T 0.7(K) |
474.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
743.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
697.8 |
(K) |
|
Size Class: |
Earth-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 : |
EPIC 206215704 |
|
Alternate Name : |
"2MASS J22202278-0930341, K2-302" |
|
Star Distance(LY) : |
359.5 |
|
Stellar Radius(Rsun) : |
0.4 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3300 |
(K) |
|
Spectral type : |
M9 |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
11.2 |
|
IR portion[%]: |
88.6 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
8.3 |
|
Apparent Magnitude: |
13.6 |
|
Right Ascension(RA) |
335.0948 |
|
Declination (DEC) |
-9.5095 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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|
Discovery Paper - Authors |
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|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+206215704&submit=SIMBAD+search |
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Open Exoplanet Database Link |
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EPIC 206215704 b
EPIC 206215704 b
EPIC 206215704 b is an exoplanet orbiting the star EPIC 206215704, located about 359.5 light-years (110.2 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star EPIC 206215704 has apparent magnitude of 13.6, with absolute magnitude of 8.3. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
In this planetary system, the extrasolar planet EPIC 206215704 b orbits around the star EPIC 206215704 every 2.3 days with its orbital distance of 0.02 AU ( 3738750.8 km)
(Projected orbit of EPIC 206215704 b around its host star EPIC 206215704)
The Star EPIC 206215704 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.096 AU ( 14333830.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.132 AU ( 19813099.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.202 AU ( 30190779.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.297 AU ( 44427054.2 km)
Radiation at Planetary Boundary of EPIC 206215704 b : 38407.05 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 206215704)
Kopparapu Recent Venus for Star EPIC 206215704 distance : 0.109 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 206215704 distance : 0.137 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 206215704 distance : 0.133 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 206215704 distance : 0.146 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 206215704 distance : 0.270 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 206215704 distance : 0.285 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 206215704)
Original Kopparapu Recent Venus for Star EPIC 206215704 distance : 0.108 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 206215704 distance : 0.142 AU
Original Kopparapu Moist Greenhouse for Star EPIC 206215704 distance : 0.143 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 206215704 distance : 0.274 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 206215704 distance : 0.285 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 206215704)
(Position in Stellar Map of star EPIC 206215704 and its Exoplanet EPIC 206215704 b)
(Zoomed position in Stellar Map of star EPIC 206215704 and its Exoplanet EPIC 206215704 b (zoom level 3))
(Synthetic Spectrum of star EPIC 206215704*)
*Yamashiki YA et al. 2019 ApJ 881 114
MUSCLES Paper I - France et al. 2016 ApJ 820 89
MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102
