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Exoplanet Name : |
2M J2126-81 b |
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Alternate Name : |
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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): |
13.3000 |
(Mjup) |
4228.5754 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
6900.0000 |
(AU) |
6900.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
331004474.85 |
(Days Est.) |
|
Surface Gravity (G Earth) |
40.8368 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
1800.0 |
(K) |
|
Blackbody T 0.1(K) |
1.3 |
(K) |
|
Blackbody T 0.3(K) |
1.2 |
(K) |
|
Blackbody T 0.7(K) |
1.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1.4 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Imaging |
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Mass Detection : |
Spectrum |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
TYC 9486-927-1 |
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Alternate Name : |
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Star Distance(LY) : |
80.7 |
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Stellar Radius(Rsun) : |
0.4 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3600 |
(K) |
|
Spectral type : |
M2 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
12.2 |
|
IR portion[%]: |
87.6 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
7.0 |
|
Apparent Magnitude: |
9.0 |
|
Right Ascension(RA) |
321.3667 |
|
Declination (DEC) |
-81.6411 |
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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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2M J2126-81 b
2M J2126-81 b
2M J2126-81 b is an exoplanet orbiting the star TYC 9486-927-1, located about 80.7 light-years (24.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star TYC 9486-927-1 has apparent magnitude of 9.0, with absolute magnitude of 7.0. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3600 with its spectral types of M2
(Projected orbit of 2M J2126-81 b around its host star TYC 9486-927-1)
The Star TYC 9486-927-1 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.112 AU ( 16774734.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.155 AU ( 23187066.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.236 AU ( 35331958.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.348 AU ( 51992525.0 km)
Radiation at Planetary Boundary of 2M J2126-81 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TYC 9486-927-1)
Kopparapu Recent Venus for Star TYC 9486-927-1 distance : 0.127 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TYC 9486-927-1 distance : 0.160 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TYC 9486-927-1 distance : 0.155 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TYC 9486-927-1 distance : 0.170 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 9486-927-1 distance : 0.310 AU
Kopparapu Outer Boundary for Early Mars for Star TYC 9486-927-1 distance : 0.327 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TYC 9486-927-1)
Original Kopparapu Recent Venus for Star TYC 9486-927-1 distance : 0.125 AU
Original Kopparapu Runaway Greenhouse for Star TYC 9486-927-1 distance : 0.166 AU
Original Kopparapu Moist Greenhouse for Star TYC 9486-927-1 distance : 0.166 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 9486-927-1 distance : 0.315 AU
Original Kopparapu Outer Boundary for Early Mars for Star TYC 9486-927-1 distance : 0.328 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TYC 9486-927-1)
(Position in Stellar Map of star TYC 9486-927-1 and its Exoplanet 2M J2126-81 b)
(Zoomed position in Stellar Map of star TYC 9486-927-1 and its Exoplanet 2M J2126-81 b (zoom level 3))
(Synthetic Spectrum of star TYC 9486-927-1*)
*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
