|
Exoplanet Name : |
HIP 65891 b |
|
Alternate Name : |
HD 117253 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
5.8880 |
(Mjup) |
1872.0189 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.7940 |
(AU) |
2.7940 |
(AU Est.) |
|
Eccentricity : |
0.1280 |
|
Orbital Period(Yrs) |
2.9557 |
|
Orbital Period(Observed/Estimated) |
1079.60 |
(Days Obs.) |
1078.85 |
(Days Est.) |
|
Surface Gravity (G Earth) |
18.0787 |
|
Star Radiation at Atmospheric Boundary: |
9352.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
438.9 |
(K) |
|
Blackbody T 0.3(K) |
412.2 |
(K) |
|
Blackbody T 0.7(K) |
333.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
522.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
490.2 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Astrometry" |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HIP 65891 |
|
Alternate Name : |
HD 117253 |
|
Star Distance(LY) : |
490.2 |
|
Stellar Radius(Rsun) : |
9.5 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
2.5 |
(Msun Measured) |
2.5 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5060 |
(K) |
|
Spectral type : |
K0III |
|
UV portion[%]: |
3.6 |
|
Visible portion[%]: |
37.8 |
|
IR portion[%]: |
58.5 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
0.9 |
|
Apparent Magnitude: |
6.8 |
|
Right Ascension(RA) |
202.6042 |
|
Declination (DEC) |
-58.6644 |
|
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 |
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HIP 65891 b
HIP 65891 b
HIP 65891 b is an exoplanet orbiting the star HIP 65891, located about 490.2 light-years (150.3 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star HIP 65891 has apparent magnitude of 6.8, with absolute magnitude of 0.9. It is 2.5 times more massive and 9.5 times bigger compared with our Sun. The surface temperature is 5060 with its spectral types of K0III
In this planetary system, the extrasolar planet HIP 65891 b orbits around the star HIP 65891 every 1079.6 days with its orbital distance of 2.79 AU ( 417976450.7 km)
(Projected orbit of HIP 65891 b around its host star HIP 65891)
The Star HIP 65891 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 5.286 AU ( 790773390.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 7.307 AU ( 1093055479.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 11.134 AU ( 1665574657.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 16.384 AU ( 2450966072.8 km)
Radiation at Planetary Boundary of HIP 65891 b : 9352.76 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 65891)
Kopparapu Recent Venus for Star HIP 65891 distance : 5.702 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 65891 distance : 7.219 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 65891 distance : 6.973 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 65891 distance : 7.651 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 65891 distance : 13.053 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 65891 distance : 13.769 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 65891)
Original Kopparapu Recent Venus for Star HIP 65891 distance : 5.645 AU
Original Kopparapu Runaway Greenhouse for Star HIP 65891 distance : 7.438 AU
Original Kopparapu Moist Greenhouse for Star HIP 65891 distance : 7.469 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 65891 distance : 13.273 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 65891 distance : 13.803 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 65891)
(Position in Stellar Map of star HIP 65891 and its Exoplanet HIP 65891 b)
(Zoomed position in Stellar Map of star HIP 65891 and its Exoplanet HIP 65891 b (zoom level 3))
(Synthetic Spectrum of star HIP 65891*)
*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
