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Exoplanet Name : |
EPIC 22881391 b |
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Alternate Name : |
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Radius (Rjup / Re): |
0.0790 |
(Rjup) |
0.8855 |
(Rearth) |
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Mass (Mjup / Me): |
0.7000 |
(Mjup) |
222.5566 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0058 |
(AU) |
0.0058 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0005 |
|
Orbital Period(Observed/Estimated) |
0.18 |
(Days Obs.) |
0.24 |
(Days Est.) |
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Star Radiation at Atmospheric Boundary: |
1058986.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1431.7 |
(K) |
|
Blackbody T 0.3(K) |
1344.6 |
(K) |
|
Blackbody T 0.7(K) |
1087.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1702.6 |
(K) |
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Tidally Locked Blackbody T 0.3(K) |
1599.0 |
(K) |
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Size Class: |
Earth-size |
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Mass Class: |
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Detection Type : |
Primary Transit |
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Mass Detection : |
Radial Velocity |
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Radius Detection : |
|
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Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
EPIC 228813918 |
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Alternate Name : |
2MASS J12272899-0611428 |
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Star Distance(LY) : |
309.8 |
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Stellar Radius(Rsun) : |
0.4 |
(Rsun Measured) |
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Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
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Star Age : |
0.0 |
(GY) |
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Temperature : |
3492 |
(K) |
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Spectral type : |
M3 V |
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Metalicity : |
0.1 |
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Absolute Magnitude: |
10.6 |
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Apparent Magnitude: |
15.5 |
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Right Ascension(RA) |
186.8707 |
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Declination (DEC) |
-6.1952 |
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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 |
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Discovery Paper - Journal |
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Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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EPIC 22881391 b
EPIC 22881391 b
EPIC 22881391 b is an exoplanet orbiting the star EPIC 228813918, located about 309.8 light-years (95.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star EPIC 228813918 has apparent magnitude of 15.5, with absolute magnitude of 10.6. It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3492 with its spectral types of M3 V
In this planetary system, the extrasolar planet EPIC 22881391 b orbits around the star EPIC 228813918 every 0.2 days with its orbital distance of 0.01 AU ( 867667.7 km)
(Projected orbit of EPIC 22881391 b around its host star EPIC 228813918)
The Star EPIC 228813918 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.117 AU ( 17467423.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.161 AU ( 24144544.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.246 AU ( 36790942.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.362 AU ( 54139483.1 km)
Radiation at Planetary Boundary of EPIC 22881391 b : 1058986.20 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 228813918)
Kopparapu Recent Venus for Star EPIC 228813918 distance : 0.132 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 228813918 distance : 0.167 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 228813918 distance : 0.161 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 228813918 distance : 0.177 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 228813918 distance : 0.325 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 228813918 distance : 0.343 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 228813918)
Original Kopparapu Recent Venus for Star EPIC 228813918 distance : 0.131 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 228813918 distance : 0.173 AU
Original Kopparapu Moist Greenhouse for Star EPIC 228813918 distance : 0.173 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 228813918 distance : 0.330 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 228813918 distance : 0.343 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 228813918)
(Position in Stellar Map of star EPIC 228813918 and its Exoplanet EPIC 22881391 b)
(Zoomed position in Stellar Map of star EPIC 228813918 and its Exoplanet EPIC 22881391 b (zoom level 3))
