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Exoplanet Name : |
2MASS J1119-1137 b |
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Alternate Name : |
TWA 42 b |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
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Mass (Mjup / Me): |
3.7000 |
(Mjup) |
1176.3706 |
(Mearth) |
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Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
16.7407 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
89.9359 |
|
Orbital Period(Observed/Estimated) |
32850.00 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
11.3606 |
|
Star Radiation at Atmospheric Boundary: |
4.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
66.3 |
(K) |
|
Blackbody T 0.3(K) |
62.3 |
(K) |
|
Blackbody T 0.7(K) |
50.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
78.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
74.1 |
(K) |
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Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Imaging |
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Mass Detection : |
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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 : |
2MASS J1119-1137 |
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Alternate Name : |
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Star Distance(LY) : |
0.0 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5500 |
(K) |
|
Spectral type : |
L7 |
|
UV portion[%]: |
6.9 |
|
Visible portion[%]: |
43.2 |
|
IR portion[%]: |
49.9 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
25.0 |
|
Apparent Magnitude: |
14.6 |
|
Right Ascension(RA) |
169.8856 |
|
Declination (DEC) |
-11.6296 |
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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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2MASS J1119-1137 b
2MASS J1119-1137 b
2MASS J1119-1137 b is an exoplanet orbiting the star 2MASS J1119-1137. Its discovery was publicly announced on 2017.
The host star 2MASS J1119-1137 has apparent magnitude of 14.6, with absolute magnitude of 25.0. It is 0.6 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of L7
In this planetary system, the extrasolar planet 2MASS J1119-1137 b orbits around the star 2MASS J1119-1137 every 32850.0 days with its orbital distance of 16.74 AU ( 2504368174.3 km)
(Projected orbit of 2MASS J1119-1137 b around its host star 2MASS J1119-1137)
The Star 2MASS J1119-1137 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.723 AU ( 108196493.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.000 AU ( 149555829.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.523 AU ( 227889987.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.242 AU ( 335350100.1 km)
Radiation at Planetary Boundary of 2MASS J1119-1137 b : 4.88 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J1119-1137)
Kopparapu Recent Venus for Star 2MASS J1119-1137 distance : 0.762 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J1119-1137 distance : 0.965 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J1119-1137 distance : 0.932 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J1119-1137 distance : 1.022 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J1119-1137 distance : 1.718 AU
Kopparapu Outer Boundary for Early Mars for Star 2MASS J1119-1137 distance : 1.812 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J1119-1137)
Original Kopparapu Recent Venus for Star 2MASS J1119-1137 distance : 0.759 AU
Original Kopparapu Runaway Greenhouse for Star 2MASS J1119-1137 distance : 0.992 AU
Original Kopparapu Moist Greenhouse for Star 2MASS J1119-1137 distance : 1.004 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J1119-1137 distance : 1.747 AU
Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J1119-1137 distance : 1.817 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J1119-1137)
(Position in Stellar Map of star 2MASS J1119-1137 and its Exoplanet 2MASS J1119-1137 b)
(Zoomed position in Stellar Map of star 2MASS J1119-1137 and its Exoplanet 2MASS J1119-1137 b (zoom level 3))
(Synthetic Spectrum of star 2MASS J1119-1137*)
*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
