|
Exoplanet Name : |
HD 30246 b |
|
Alternate Name : |
HIP 22203 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
50.7630 |
(Mjup) |
16139.4867 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.0090 |
(AU) |
2.0090 |
(AU Est.) |
|
Eccentricity : |
0.7980 |
|
Orbital Period(Yrs) |
2.7427 |
|
Orbital Period(Observed/Estimated) |
1001.80 |
(Days Obs.) |
1024.81 |
(Days Est.) |
|
Surface Gravity (G Earth) |
155.8644 |
|
Star Radiation at Atmospheric Boundary: |
335.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
191.0 |
(K) |
|
Blackbody T 0.3(K) |
179.3 |
(K) |
|
Blackbody T 0.7(K) |
145.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
227.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
213.3 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Primary Transit" |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 30246 |
|
Alternate Name : |
HIP 22203 |
|
Star Distance(LY) : |
160.0 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
1.9 |
(GY) |
|
Temperature : |
5763 |
(K) |
|
Spectral type : |
G2V |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.7 |
|
IR portion[%]: |
47.5 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
4.8 |
|
Apparent Magnitude: |
8.3 |
|
Right Ascension(RA) |
71.6266 |
|
Declination (DEC) |
15.4720 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
|
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HD 30246 b
HD 30246 b
HD 30246 b is an exoplanet orbiting the star HD 30246, located about 160.0 light-years (49.1 pc) away from Solar System. Its discovery was publicly announced on 2012.
The host star HD 30246 has apparent magnitude of 8.3, with absolute magnitude of 4.8. It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5763 with its spectral types of G2V
In this planetary system, the extrasolar planet HD 30246 b orbits around the star HD 30246 every 1001.8 days with its orbital distance of 2.01 AU ( 300542122.2 km)
(Projected orbit of HD 30246 b around its host star HD 30246)
The Star HD 30246 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.719 AU ( 107635455.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.995 AU ( 148780327.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.515 AU ( 226708294.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.230 AU ( 333611186.3 km)
Radiation at Planetary Boundary of HD 30246 b : 335.15 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 30246)
Kopparapu Recent Venus for Star HD 30246 distance : 0.746 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 30246 distance : 0.945 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 30246 distance : 0.913 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 30246 distance : 1.001 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 30246 distance : 1.670 AU
Kopparapu Outer Boundary for Early Mars for Star HD 30246 distance : 1.761 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 30246)
Original Kopparapu Recent Venus for Star HD 30246 distance : 0.747 AU
Original Kopparapu Runaway Greenhouse for Star HD 30246 distance : 0.971 AU
Original Kopparapu Moist Greenhouse for Star HD 30246 distance : 0.989 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 30246 distance : 1.699 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 30246 distance : 1.767 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 30246)
(Position in Stellar Map of star HD 30246 and its Exoplanet HD 30246 b)
(Zoomed position in Stellar Map of star HD 30246 and its Exoplanet HD 30246 b (zoom level 3))
(Synthetic Spectrum of star HD 30246*)
*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
