|
Exoplanet Name : |
HIP 86221 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.7100 |
(Mjup) |
225.7360 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0310 |
(AU) |
0.0310 |
(AU Est.) |
|
Eccentricity : |
0.0860 |
|
Orbital Period(Yrs) |
0.0061 |
|
Orbital Period(Observed/Estimated) |
2.22 |
(Days Obs.) |
2.24 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.1800 |
|
Star Radiation at Atmospheric Boundary: |
216676.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
962.9 |
(K) |
|
Blackbody T 0.3(K) |
904.3 |
(K) |
|
Blackbody T 0.7(K) |
731.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1145.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1075.4 |
(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 86221 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
96.2 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4400 |
(K) |
|
Spectral type : |
K5 |
|
UV portion[%]: |
1.2 |
|
Visible portion[%]: |
29.4 |
|
IR portion[%]: |
69.4 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
19.7 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
264.2958 |
|
Declination (DEC) |
27.8964 |
|
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+86221&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
 |
 |
 |
 |
/
HIP 86221 b
HIP 86221 b
HIP 86221 b is an exoplanet orbiting the star HIP 86221, located about 96.2 light-years (29.5 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star HIP 86221 has apparent magnitude of 22.0, with absolute magnitude of 19.7. It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4400 with its spectral types of K5
In this planetary system, the extrasolar planet HIP 86221 b orbits around the star HIP 86221 every 2.2 days with its orbital distance of 0.03 AU ( 4637534.0 km)
(Projected orbit of HIP 86221 b around its host star HIP 86221)
The Star HIP 86221 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.282 AU ( 42230228.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.390 AU ( 58373211.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.595 AU ( 88947856.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.875 AU ( 130890667.6 km)
Radiation at Planetary Boundary of HIP 86221 b : 216676.62 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 86221)
Kopparapu Recent Venus for Star HIP 86221 distance : 0.313 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 86221 distance : 0.396 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 86221 distance : 0.383 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 86221 distance : 0.420 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 86221 distance : 0.737 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 86221 distance : 0.777 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 86221)
Original Kopparapu Recent Venus for Star HIP 86221 distance : 0.309 AU
Original Kopparapu Runaway Greenhouse for Star HIP 86221 distance : 0.409 AU
Original Kopparapu Moist Greenhouse for Star HIP 86221 distance : 0.408 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 86221 distance : 0.749 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 86221 distance : 0.779 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 86221)
(Position in Stellar Map of star HIP 86221 and its Exoplanet HIP 86221 b)
(Zoomed position in Stellar Map of star HIP 86221 and its Exoplanet HIP 86221 b (zoom level 3))
(Synthetic Spectrum of star HIP 86221*)
*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
