Exoplanet Name : |
EPIC 246471491 d |
Alternate Name : |
|
Radius (Rjup / Re): |
0.2213 |
(Rjup) |
2.4806 |
(Rearth) |
Mass (Mjup / Me): |
0.0205 |
(Mjup) |
6.5177 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.1178 |
(AU) |
0.1178 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0286 |
Orbital Period(Observed/Estimated) |
10.46 |
(Days Obs.) |
16.21 |
(Days Est.) |
Star Radiation at Atmospheric Boundary: |
33530.2 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
604.0 |
(K) |
Blackbody T 0.3(K) |
567.2 |
(K) |
Blackbody T 0.7(K) |
458.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
718.2 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
674.5 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
Radial Velocity |
Radius Detection : |
Primary Transit |
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
EPIC 246471491 |
Alternate Name : |
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Star Distance(LY) : |
507.5 |
Stellar Radius(Rsun) : |
0.8 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
2.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4975 |
(K) |
Spectral type : |
K2V |
Metalicity : |
0.0 |
Absolute Magnitude: |
6.1 |
Apparent Magnitude: |
12.0 |
Right Ascension(RA) |
349.3843 |
Declination (DEC) |
1.3003 |
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 |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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EPIC 246471491 d
EPIC 246471491 d
EPIC 246471491 d is an exoplanet orbiting the star EPIC 246471491, located about 507.5 light-years (155.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star EPIC 246471491 has apparent magnitude of 12.0, with absolute magnitude of 6.1. It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4975 with its spectral types of K2V
In this planetary system, the extrasolar planet EPIC 246471491 d orbits around the star EPIC 246471491 every 10.5 days with its orbital distance of 0.12 AU ( 17622629.2 km)
(Projected orbit of EPIC 246471491 d around its host star EPIC 246471491)
The Star EPIC 246471491 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.422 AU ( 63127561.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.583 AU ( 87258787.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.889 AU ( 132963081.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.308 AU ( 195660999.6 km)
Radiation at Planetary Boundary of EPIC 246471491 d : 33530.19 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 246471491)
Kopparapu Recent Venus for Star EPIC 246471491 distance : 0.457 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 246471491 distance : 0.579 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 246471491 distance : 0.559 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 246471491 distance : 0.613 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 246471491 distance : 1.050 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 246471491 distance : 1.107 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 246471491)
Original Kopparapu Recent Venus for Star EPIC 246471491 distance : 0.452 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 246471491 distance : 0.596 AU
Original Kopparapu Moist Greenhouse for Star EPIC 246471491 distance : 0.598 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 246471491 distance : 1.067 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 246471491 distance : 1.110 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 246471491)
(Position in Stellar Map of star EPIC 246471491 and its Exoplanet EPIC 246471491 d)
(Zoomed position in Stellar Map of star EPIC 246471491 and its Exoplanet EPIC 246471491 d (zoom level 3))