Exoplanet Name : |
LSPM J2116+0234 b |
Alternate Name : |
UCAC4 463-128595 b |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2101 |
(Rjup) |
2.3548 |
(Rearth) |
Mass (Mjup / Me): |
0.0420 |
(Mjup) |
13.3534 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0876 |
(AU) |
0.0876 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0395 |
Orbital Period(Observed/Estimated) |
14.45 |
(Days Obs.) |
14.44 |
(Days Est.) |
Surface Gravity (G Earth) |
2.4081 |
Star Radiation at Atmospheric Boundary: |
4328.8 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
362.0 |
(K) |
Blackbody T 0.3(K) |
340.0 |
(K) |
Blackbody T 0.7(K) |
275.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
430.5 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
404.3 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
LSPM J2116+0234 |
Alternate Name : |
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Star Distance(LY) : |
57.5 |
Stellar Radius(Rsun) : |
0.4 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3475 |
(K) |
Spectral type : |
M3.0V |
UV portion[%]: |
0.2 |
Visible portion[%]: |
10.4 |
IR portion[%]: |
89.4 |
Metalicity : |
-0.1 |
Absolute Magnitude: |
9.8 |
Apparent Magnitude: |
11.0 |
Right Ascension(RA) |
319.1137 |
Declination (DEC) |
2.5808 |
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 |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=LSPM+J2116%2B0234+&submit=SIMBAD+search |
Open Exoplanet Database Link |
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LSPM J2116+0234 b
LSPM J2116+0234 b
LSPM J2116+0234 b is an exoplanet orbiting the star LSPM J2116+0234, located about 57.5 light-years (17.6 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star LSPM J2116+0234 has apparent magnitude of 11.0, with absolute magnitude of 9.8. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3475 with its spectral types of M3.0V
In this planetary system, the extrasolar planet LSPM J2116+0234 b orbits around the star LSPM J2116+0234 every 14.4 days with its orbital distance of 0.09 AU ( 13104773.5 km)
(Projected orbit of LSPM J2116+0234 b around its host star LSPM J2116+0234)
The Star LSPM J2116+0234 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.113 AU ( 16867277.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.156 AU ( 23314986.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.237 AU ( 35526879.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.349 AU ( 52279358.9 km)
Radiation at Planetary Boundary of LSPM J2116+0234 b : 4328.83 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LSPM J2116+0234)
Kopparapu Recent Venus for Star LSPM J2116+0234 distance : 0.127 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star LSPM J2116+0234 distance : 0.161 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LSPM J2116+0234 distance : 0.156 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star LSPM J2116+0234 distance : 0.171 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J2116+0234 distance : 0.314 AU
Kopparapu Outer Boundary for Early Mars for Star LSPM J2116+0234 distance : 0.331 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star LSPM J2116+0234)
Original Kopparapu Recent Venus for Star LSPM J2116+0234 distance : 0.126 AU
Original Kopparapu Runaway Greenhouse for Star LSPM J2116+0234 distance : 0.167 AU
Original Kopparapu Moist Greenhouse for Star LSPM J2116+0234 distance : 0.167 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J2116+0234 distance : 0.319 AU
Original Kopparapu Outer Boundary for Early Mars for Star LSPM J2116+0234 distance : 0.332 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star LSPM J2116+0234)
(Position in Stellar Map of star LSPM J2116+0234 and its Exoplanet LSPM J2116+0234 b)
(Zoomed position in Stellar Map of star LSPM J2116+0234 and its Exoplanet LSPM J2116+0234 b (zoom level 3))
(Synthetic Spectrum of star LSPM J2116+0234*)
*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