|
Exoplanet Name : |
HIP 21152 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
24.0000 |
(Mjup) |
7630.5120 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
17.0000 |
(AU) |
17.0000 |
(AU Est.) |
|
Eccentricity : |
0.3600 |
|
Orbital Period(Yrs) |
58.9991 |
|
Orbital Period(Observed/Estimated) |
21550.00 |
(Days Obs.) |
21334.49 |
(Days Est.) |
|
Surface Gravity (G Earth) |
73.6904 |
|
Star Radiation at Atmospheric Boundary: |
13.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
86.1 |
(K) |
|
Blackbody T 0.3(K) |
80.8 |
(K) |
|
Blackbody T 0.7(K) |
65.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
102.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
96.1 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HIP 21152 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
141.1 |
|
Stellar Radius(Rsun) : |
1.3 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
1.4 |
(Msun Estimated) |
|
Star Age : |
0.6 |
(GY) |
|
Temperature : |
6700 |
(K) |
|
Spectral type : |
F5V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
18.8 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
68.0208 |
|
Declination (DEC) |
5.4100 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
00090-00033 |
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.cds.unistra.fr/simbad/sim-basic?Ident=HIP+21152&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
 |
 |
 |
 |
/
HIP 21152 b
HIP 21152 b
HIP 21152 b is an exoplanet orbiting the star HIP 21152, located about 141.1 light-years (43.3 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star HIP 21152 has apparent magnitude of 22.0, with absolute magnitude of 18.8. It is 1.4 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6700 with its spectral types of F5V
In this planetary system, the extrasolar planet HIP 21152 b orbits around the star HIP 21152 every 21550.0 days with its orbital distance of 17.00 AU ( 2543163801.9 km)
(Projected orbit of HIP 21152 b around its host star HIP 21152)
The Star HIP 21152 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.237 AU ( 184993870.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.709 AU ( 255709873.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.605 AU ( 389645258.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.833 AU ( 573380066.5 km)
Radiation at Planetary Boundary of HIP 21152 b : 13.83 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 21152)
Kopparapu Recent Venus for Star HIP 21152 distance : 1.213 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 21152 distance : 1.537 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 21152 distance : 1.484 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 21152 distance : 1.626 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 21152 distance : 2.666 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 21152 distance : 2.812 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 21152)
Original Kopparapu Recent Venus for Star HIP 21152 distance : 1.240 AU
Original Kopparapu Runaway Greenhouse for Star HIP 21152 distance : 1.574 AU
Original Kopparapu Moist Greenhouse for Star HIP 21152 distance : 1.640 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 21152 distance : 2.715 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 21152 distance : 2.823 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 21152)
(Position in Stellar Map of star HIP 21152 and its Exoplanet HIP 21152 b)
(Zoomed position in Stellar Map of star HIP 21152 and its Exoplanet HIP 21152 b (zoom level 3))
(Synthetic Spectrum of star HIP 21152*)
*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
