Exoplanet Name : |
HD 51400 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
60.0000 |
(Mjup) |
19076.2800 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
2300.0000 |
(AU) |
2300.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
1107704.1012 |
Orbital Period(Observed/Estimated) |
404600000.00 |
(Days Obs.) |
41777313.04 |
(Days Est.) |
Surface Gravity (G Earth) |
184.2260 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
5.1 |
(K) |
Blackbody T 0.3(K) |
4.8 |
(K) |
Blackbody T 0.7(K) |
3.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
6.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
5.7 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Imaging |
Mass Detection : |
Theoretical |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 51400 |
Alternate Name : |
"BD+16 1341, GSC 01344-00579, TIC 386418407, TYC 1344-579-1" |
Star Distance(LY) : |
131.1 |
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
5377 |
(K) |
Spectral type : |
G7V |
UV portion[%]: |
6.3 |
Visible portion[%]: |
42.2 |
IR portion[%]: |
51.5 |
Metalicity : |
0.0 |
Absolute Magnitude: |
3.9 |
Apparent Magnitude: |
7.0 |
Right Ascension(RA) |
104.4583 |
Declination (DEC) |
16.5786 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
|
SIMBAD LINK |
|
Open Exoplanet Database Link |
|
![](HD_51400_b_CSun.png) |
![](HD_51400_b_CJup.png) |
![](HD_51400_b_CNep.png) |
![](HD_51400_b_CEar.png) |
/
HD 51400 b
HD 51400 b
HD 51400 b is an exoplanet orbiting the star HD 51400, located about 131.1 light-years (40.2 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star HD 51400 has apparent magnitude of 7.0, with absolute magnitude of 3.9. It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5377 with its spectral types of G7V
In this planetary system, the extrasolar planet HD 51400 b orbits around the star HD 51400 every 404600000.0 days with its orbital distance of 2300.00 AU ( 344075102610.0 km)
(Projected orbit of HD 51400 b around its host star HD 51400)
![](HD_51400_b_Orb.png)
The Star HD 51400 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.598 AU ( 89483210.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.827 AU ( 123689181.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.260 AU ( 188474940.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.854 AU ( 277349131.2 km)
Radiation at Planetary Boundary of HD 51400 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 51400)
![](HD_51400_b_OrbH.png)
Kopparapu Recent Venus for Star HD 51400 distance : 0.635 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 51400 distance : 0.804 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 51400 distance : 0.776 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 51400 distance : 0.851 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 51400 distance : 1.436 AU
Kopparapu Outer Boundary for Early Mars for Star HD 51400 distance : 1.515 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 51400)
![](HD_51400_b_OrbK.png)
Original Kopparapu Recent Venus for Star HD 51400 distance : 0.631 AU
Original Kopparapu Runaway Greenhouse for Star HD 51400 distance : 0.827 AU
Original Kopparapu Moist Greenhouse for Star HD 51400 distance : 0.835 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 51400 distance : 1.461 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 51400 distance : 1.519 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 51400)
![](HD_51400_b_OrbKO.png)
(Position in Stellar Map of star HD 51400 and its Exoplanet HD 51400 b)
![](HD_51400_b_STZ0.png)
(Zoomed position in Stellar Map of star HD 51400 and its Exoplanet HD 51400 b (zoom level 3))
![](HD_51400_b_STZ3.png)
(Synthetic Spectrum of star HD 51400*)
![](HD_51400_b_Spc.png)
*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