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Exoplanet Name : |
EPIC 249631677 b |
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Alternate Name : |
K2-*** b |
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Radius (Rjup / Re): |
0.0848 |
(Rjup) |
0.9505 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0026 |
(Mjup) |
0.8164 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0234 |
(AU) |
0.0234 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0086 |
|
Orbital Period(Observed/Estimated) |
3.14 |
(Days Obs.) |
3.13 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.9036 |
|
Star Radiation at Atmospheric Boundary: |
10203.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
448.6 |
(K) |
|
Blackbody T 0.3(K) |
421.3 |
(K) |
|
Blackbody T 0.7(K) |
340.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
533.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
501.0 |
(K) |
|
Size Class: |
Earth-size |
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Mass Class: |
|
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Detection Type : |
Primary Transit |
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Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
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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 249631677 |
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Alternate Name : |
K2-*** |
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Star Distance(LY) : |
185.3 |
|
Stellar Radius(Rsun) : |
0.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.2 |
(Msun Measured) |
0.2 |
(Msun Estimated) |
|
Star Age : |
1.0 |
(GY) |
|
Temperature : |
3300 |
(K) |
|
Spectral type : |
M3.5 |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
11.2 |
|
IR portion[%]: |
88.6 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
14.2 |
|
Apparent Magnitude: |
18.0 |
|
Right Ascension(RA) |
228.0208 |
|
Declination (DEC) |
-20.1086 |
|
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 |
|
|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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EPIC 249631677 b
EPIC 249631677 b
EPIC 249631677 b is an exoplanet orbiting the star EPIC 249631677, located about 185.3 light-years (56.8 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star EPIC 249631677 has apparent magnitude of 18.0, with absolute magnitude of 14.2. It is 0.2 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M3.5
In this planetary system, the extrasolar planet EPIC 249631677 b orbits around the star EPIC 249631677 every 3.1 days with its orbital distance of 0.02 AU ( 3500590.2 km)
(Projected orbit of EPIC 249631677 b around its host star EPIC 249631677)
The Star EPIC 249631677 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.046 AU ( 6917386.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.064 AU ( 9561636.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.097 AU ( 14569817.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.143 AU ( 21440125.2 km)
Radiation at Planetary Boundary of EPIC 249631677 b : 10203.31 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 249631677)
Kopparapu Recent Venus for Star EPIC 249631677 distance : 0.052 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 249631677 distance : 0.066 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 249631677 distance : 0.064 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 249631677 distance : 0.070 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249631677 distance : 0.130 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 249631677 distance : 0.137 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 249631677)
Original Kopparapu Recent Venus for Star EPIC 249631677 distance : 0.052 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 249631677 distance : 0.069 AU
Original Kopparapu Moist Greenhouse for Star EPIC 249631677 distance : 0.069 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249631677 distance : 0.132 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 249631677 distance : 0.138 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 249631677)
(Position in Stellar Map of star EPIC 249631677 and its Exoplanet EPIC 249631677 b)
(Zoomed position in Stellar Map of star EPIC 249631677 and its Exoplanet EPIC 249631677 b (zoom level 3))
