Exoplanet Name : |
ups Leo b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
0.5100 |
(Mjup) |
162.1484 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
1.1800 |
(AU) |
1.1800 |
(AU Est.) |
Eccentricity : |
0.3200 |
Orbital Period(Yrs) |
1.0546 |
Orbital Period(Observed/Estimated) |
385.20 |
(Days Obs.) |
463.57 |
(Days Est.) |
Surface Gravity (G Earth) |
1.5659 |
Star Radiation at Atmospheric Boundary: |
981.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
249.8 |
(K) |
Blackbody T 0.3(K) |
234.6 |
(K) |
Blackbody T 0.7(K) |
189.8 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
297.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
279.0 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
ups Leo |
Alternate Name : |
|
Star Distance(LY) : |
171.7 |
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.5 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
5500 |
(K) |
Spectral type : |
G9 III |
UV portion[%]: |
6.9 |
Visible portion[%]: |
43.2 |
IR portion[%]: |
49.9 |
Metalicity : |
0.0 |
Absolute Magnitude: |
18.4 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
174.2375 |
Declination (DEC) |
-0.8236 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
04930-01093 |
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
|
SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=ups+Leo&submit=SIMBAD+search |
Open Exoplanet Database Link |
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ups Leo b
ups Leo b
ups Leo b is an exoplanet orbiting the star ups Leo, located about 171.7 light-years (52.6 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star ups Leo has apparent magnitude of 22.0, with absolute magnitude of 18.4. It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of G9 III
In this planetary system, the extrasolar planet ups Leo b orbits around the star ups Leo every 385.2 days with its orbital distance of 1.18 AU ( 176525487.4 km)
(Projected orbit of ups Leo b around its host star ups Leo)
The Star ups Leo '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 ups Leo b : 981.64 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star ups Leo)
Kopparapu Recent Venus for Star ups Leo distance : 0.762 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star ups Leo distance : 0.965 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star ups Leo distance : 0.932 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star ups Leo distance : 1.022 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star ups Leo distance : 1.718 AU
Kopparapu Outer Boundary for Early Mars for Star ups Leo distance : 1.812 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star ups Leo)
Original Kopparapu Recent Venus for Star ups Leo distance : 0.759 AU
Original Kopparapu Runaway Greenhouse for Star ups Leo distance : 0.992 AU
Original Kopparapu Moist Greenhouse for Star ups Leo distance : 1.004 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star ups Leo distance : 1.747 AU
Original Kopparapu Outer Boundary for Early Mars for Star ups Leo distance : 1.817 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star ups Leo)
(Position in Stellar Map of star ups Leo and its Exoplanet ups Leo b)
(Zoomed position in Stellar Map of star ups Leo and its Exoplanet ups Leo b (zoom level 3))
(Synthetic Spectrum of star ups Leo*)
*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