|
Exoplanet Name : |
HIP 90988 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.9600 |
(Mjup) |
623.1585 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.2600 |
(AU) |
1.2600 |
(AU Est.) |
|
Eccentricity : |
0.0800 |
|
Orbital Period(Yrs) |
1.2427 |
|
Orbital Period(Observed/Estimated) |
453.90 |
(Days Obs.) |
453.08 |
(Days Est.) |
|
Surface Gravity (G Earth) |
6.0180 |
|
Star Radiation at Atmospheric Boundary: |
6822.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
405.6 |
(K) |
|
Blackbody T 0.3(K) |
380.9 |
(K) |
|
Blackbody T 0.7(K) |
308.2 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
482.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
453.0 |
(K) |
|
Size Class: |
Jupiter-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 : |
HIP 90988 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
307.5 |
|
Stellar Radius(Rsun) : |
3.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.3 |
(Msun Measured) |
1.3 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4884 |
(K) |
|
Spectral type : |
K1III |
|
UV portion[%]: |
2.7 |
|
Visible portion[%]: |
36.0 |
|
IR portion[%]: |
61.3 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
2.9 |
|
Apparent Magnitude: |
7.8 |
|
Right Ascension(RA) |
278.3875 |
|
Declination (DEC) |
-50.2117 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
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=HIP+90988&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
 |
 |
 |
 |
/
HIP 90988 b
HIP 90988 b
HIP 90988 b is an exoplanet orbiting the star HIP 90988, located about 307.5 light-years (94.3 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star HIP 90988 has apparent magnitude of 7.8, with absolute magnitude of 2.9. It is 1.3 times more massive and 3.9 times bigger compared with our Sun. The surface temperature is 4884 with its spectral types of K1III
In this planetary system, the extrasolar planet HIP 90988 b orbits around the star HIP 90988 every 453.9 days with its orbital distance of 1.26 AU ( 188493317.1 km)
(Projected orbit of HIP 90988 b around its host star HIP 90988)
The Star HIP 90988 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 2.036 AU ( 304582989.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 2.814 AU ( 421013288.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 4.288 AU ( 641531081.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 6.311 AU ( 944041090.1 km)
Radiation at Planetary Boundary of HIP 90988 b : 6822.74 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 90988)
Kopparapu Recent Venus for Star HIP 90988 distance : 2.214 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 90988 distance : 2.804 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 90988 distance : 2.708 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 90988 distance : 2.972 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 90988 distance : 5.106 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 90988 distance : 5.385 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 90988)
Original Kopparapu Recent Venus for Star HIP 90988 distance : 2.189 AU
Original Kopparapu Runaway Greenhouse for Star HIP 90988 distance : 2.890 AU
Original Kopparapu Moist Greenhouse for Star HIP 90988 distance : 2.896 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 90988 distance : 5.191 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 90988 distance : 5.398 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 90988)
(Position in Stellar Map of star HIP 90988 and its Exoplanet HIP 90988 b)
(Zoomed position in Stellar Map of star HIP 90988 and its Exoplanet HIP 90988 b (zoom level 3))
(Synthetic Spectrum of star HIP 90988*)
*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
