Exoplanet Name : |
TOI-4306 b |
Alternate Name : |
"LP 890-9 b, SPECULOOS-2 b" |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.1178 |
(Rjup) |
1.3204 |
(Rearth) |
Mass (Mjup / Me): |
0.0415 |
(Mjup) |
13.1944 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0187 |
(AU) |
0.0187 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0075 |
Orbital Period(Observed/Estimated) |
2.73 |
(Days Obs.) |
2.73 |
(Days Est.) |
Surface Gravity (G Earth) |
7.5677 |
Star Radiation at Atmospheric Boundary: |
5571.9 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
385.6 |
(K) |
Blackbody T 0.3(K) |
362.1 |
(K) |
Blackbody T 0.7(K) |
293.0 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
458.6 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
430.6 |
(K) |
Size Class: |
super-Earth-size |
Mass Class: |
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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 : |
TOI-4306 |
Alternate Name : |
"LP 890-9, SPECULOOS-2" |
Star Distance(LY) : |
105.4 |
Stellar Radius(Rsun) : |
0.2 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.1 |
(Msun Measured) |
0.1 |
(Msun Estimated) |
Star Age : |
7.2 |
(GY) |
Temperature : |
2850 |
(K) |
Spectral type : |
M8 |
UV portion[%]: |
0.1 |
Visible portion[%]: |
4.7 |
IR portion[%]: |
95.2 |
Metalicity : |
-0.0 |
Absolute Magnitude: |
15.5 |
Apparent Magnitude: |
18.0 |
Right Ascension(RA) |
64.1292 |
Declination (DEC) |
-28.3147 |
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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