|
Exoplanet Name : |
K2-288 Bb |
|
Alternate Name : |
"EPIC 210693462 b, EPIC 210693462.01, LP 413-32 Bb" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1520 |
(Rjup) |
1.7038 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0136 |
(Mjup) |
4.3304 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1640 |
(AU) |
0.1640 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0859 |
|
Orbital Period(Observed/Estimated) |
31.39 |
(Days Obs.) |
42.23 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.4918 |
|
Star Radiation at Atmospheric Boundary: |
581.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
219.2 |
(K) |
|
Blackbody T 0.3(K) |
205.8 |
(K) |
|
Blackbody T 0.7(K) |
166.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
260.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
244.8 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Habitable |
|
Star Name : |
K2-288 B |
|
Alternate Name : |
"EPIC 210693462, LP 413-32 B" |
|
Star Distance(LY) : |
214.0 |
|
Stellar Radius(Rsun) : |
0.3 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.3 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
1.0 |
(GY) |
|
Temperature : |
3341 |
(K) |
|
Spectral type : |
M3V |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
11.9 |
|
IR portion[%]: |
87.8 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
17.9 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
55.4434 |
|
Declination (DEC) |
18.2688 |
|
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 |
|
 |
 |
 |
 |
/
K2-288 Bb
K2-288 Bb
K2-288 Bb is an exoplanet orbiting the star K2-288 B, located about 214.0 light-years (65.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star K2-288 B has apparent magnitude of 22.0, with absolute magnitude of 17.9. It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3341 with its spectral types of M3V
In this planetary system, the extrasolar planet K2-288 Bb orbits around the star K2-288 B every 31.4 days with its orbital distance of 0.16 AU ( 24534050.8 km)
(Projected orbit of K2-288 Bb around its host star K2-288 B)
The Star K2-288 B 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.077 AU ( 11576067.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.107 AU ( 16001150.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.163 AU ( 24382211.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.240 AU ( 35879492.8 km)
Radiation at Planetary Boundary of K2-288 Bb : 581.73 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-288 B)
Kopparapu Recent Venus for Star K2-288 B distance : 0.088 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-288 B distance : 0.111 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-288 B distance : 0.107 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-288 B distance : 0.118 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-288 B distance : 0.217 AU
Kopparapu Outer Boundary for Early Mars for Star K2-288 B distance : 0.229 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-288 B)
Original Kopparapu Recent Venus for Star K2-288 B distance : 0.087 AU
Original Kopparapu Runaway Greenhouse for Star K2-288 B distance : 0.115 AU
Original Kopparapu Moist Greenhouse for Star K2-288 B distance : 0.115 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-288 B distance : 0.221 AU
Original Kopparapu Outer Boundary for Early Mars for Star K2-288 B distance : 0.230 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-288 B)
(Position in Stellar Map of star K2-288 B and its Exoplanet K2-288 Bb)
(Zoomed position in Stellar Map of star K2-288 B and its Exoplanet K2-288 Bb (zoom level 3))
(Synthetic Spectrum of star K2-288 B*)
*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
