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Exoplanet Name : |
EPIC 228735255 b |
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Alternate Name : |
K2-140 b |
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Radius (Rjup / Re): |
1.0950 |
(Rjup) |
12.2739 |
(Rearth) |
|
Mass (Mjup / Me): |
1.0190 |
(Mjup) |
323.9788 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0591 |
(AU) |
0.0591 |
(AU Est.) |
|
Eccentricity : |
0.1200 |
|
Orbital Period(Yrs) |
0.0180 |
|
Orbital Period(Observed/Estimated) |
6.57 |
(Days Obs.) |
5.23 |
(Days Est.) |
|
Star Radiation at Atmospheric Boundary: |
349532.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1085.2 |
(K) |
|
Blackbody T 0.3(K) |
1019.1 |
(K) |
|
Blackbody T 0.7(K) |
824.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1290.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1212.0 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
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Detection Type : |
Primary Transit |
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Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
EPIC 228735255 |
|
Alternate Name : |
2MASS J12323296-0936274 |
|
Star Distance(LY) : |
1109.7 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
4.2 |
(GY) |
|
Temperature : |
5654 |
(K) |
|
Spectral type : |
G5 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
4.9 |
|
Apparent Magnitude: |
12.6 |
|
Right Ascension(RA) |
188.1374 |
|
Declination (DEC) |
-9.6076 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
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Discovered by |
|
|
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 |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+228735255+&submit=SIMBAD+search |
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Open Exoplanet Database Link |
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EPIC 228735255 b
EPIC 228735255 b
EPIC 228735255 b is an exoplanet orbiting the star EPIC 228735255, located about 1109.7 light-years (340.2 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star EPIC 228735255 has apparent magnitude of 12.6, with absolute magnitude of 4.9. It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5654 with its spectral types of G5
In this planetary system, the extrasolar planet EPIC 228735255 b orbits around the star EPIC 228735255 every 6.6 days with its orbital distance of 0.06 AU ( 8841234.2 km)
(Projected orbit of EPIC 228735255 b around its host star EPIC 228735255)
The Star EPIC 228735255 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.684 AU ( 102255546.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.945 AU ( 141343887.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.440 AU ( 215376805.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.119 AU ( 316936404.2 km)
Radiation at Planetary Boundary of EPIC 228735255 b : 349532.35 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 228735255)
Kopparapu Recent Venus for Star EPIC 228735255 distance : 0.714 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 228735255 distance : 0.904 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 228735255 distance : 0.873 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 228735255 distance : 0.957 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 228735255 distance : 1.601 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 228735255 distance : 1.689 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 228735255)
Original Kopparapu Recent Venus for Star EPIC 228735255 distance : 0.713 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 228735255 distance : 0.929 AU
Original Kopparapu Moist Greenhouse for Star EPIC 228735255 distance : 0.943 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 228735255 distance : 1.629 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 228735255 distance : 1.695 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 228735255)
(Position in Stellar Map of star EPIC 228735255 and its Exoplanet EPIC 228735255 b)
(Zoomed position in Stellar Map of star EPIC 228735255 and its Exoplanet EPIC 228735255 b (zoom level 3))
