Exoplanet Name : |
Kepler-970 Bb |
Alternate Name : |
"2MASS J19183005+4042314 b, K01838.01, KIC 5526527 b, KOI-1838 b, KOI-1838.01, WISE J191830.04+404231.4 b, TIC 122069243 |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2470 |
(Rjup) |
2.7686 |
(Rearth) |
Mass (Mjup / Me): |
0.0214 |
(Mjup) |
6.8017 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.1137 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0458 |
Orbital Period(Observed/Estimated) |
16.74 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
0.8873 |
Star Radiation at Atmospheric Boundary: |
17633.8 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
514.3 |
(K) |
Blackbody T 0.3(K) |
483.0 |
(K) |
Blackbody T 0.7(K) |
390.8 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
611.6 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
574.4 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
Kepler-970 B |
Alternate Name : |
"2MASS J19183005+4042314, KIC 5526527, KOI-1838, WISE J191830.04+404231.4, TIC 122069243" |
Star Distance(LY) : |
1141.5 |
Stellar Radius(Rsun) : |
0.7 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.7 |
(Msun Estimated) |
Star Age : |
4.7 |
(GY) |
Temperature : |
4511 |
(K) |
Spectral type : |
K5V |
UV portion[%]: |
1.6 |
Visible portion[%]: |
31.3 |
IR portion[%]: |
67.1 |
Metalicity : |
-0.1 |
Absolute Magnitude: |
5.3 |
Apparent Magnitude: |
13.0 |
Right Ascension(RA) |
289.6252 |
Declination (DEC) |
40.7087 |
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 |
|
![](Kepler-970_Bb_CSun.png) |
![](Kepler-970_Bb_CJup.png) |
![](Kepler-970_Bb_CNep.png) |
![](Kepler-970_Bb_CEar.png) |
/
Kepler-970 Bb
Kepler-970 Bb
Kepler-970 Bb is an exoplanet orbiting the star Kepler-970 B, located about 1141.5 light-years (350.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star Kepler-970 B has apparent magnitude of 13.0, with absolute magnitude of 5.3. It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4511 with its spectral types of K5V
In this planetary system, the extrasolar planet Kepler-970 Bb orbits around the star Kepler-970 B every 16.7 days with its orbital distance of 0.11 AU ( 17008842.4 km)
(Projected orbit of Kepler-970 Bb around its host star Kepler-970 B)
![](Kepler-970_Bb_Orb.png)
The Star Kepler-970 B 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.295 AU ( 44185377.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.408 AU ( 61075738.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.622 AU ( 93065909.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.915 AU ( 136950563.1 km)
Radiation at Planetary Boundary of Kepler-970 Bb : 17633.85 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-970 B)
![](Kepler-970_Bb_OrbH.png)
Kopparapu Recent Venus for Star Kepler-970 B distance : 0.326 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-970 B distance : 0.413 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-970 B distance : 0.399 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-970 B distance : 0.438 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-970 B distance : 0.764 AU
Kopparapu Outer Boundary for Early Mars for Star Kepler-970 B distance : 0.806 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-970 B)
![](Kepler-970_Bb_OrbK.png)
Original Kopparapu Recent Venus for Star Kepler-970 B distance : 0.322 AU
Original Kopparapu Runaway Greenhouse for Star Kepler-970 B distance : 0.426 AU
Original Kopparapu Moist Greenhouse for Star Kepler-970 B distance : 0.426 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-970 B distance : 0.777 AU
Original Kopparapu Outer Boundary for Early Mars for Star Kepler-970 B distance : 0.808 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-970 B)
![](Kepler-970_Bb_OrbKO.png)
(Position in Stellar Map of star Kepler-970 B and its Exoplanet Kepler-970 Bb)
![](Kepler-970_Bb_STZ0.png)
(Zoomed position in Stellar Map of star Kepler-970 B and its Exoplanet Kepler-970 Bb (zoom level 3))
![](Kepler-970_Bb_STZ3.png)
(Synthetic Spectrum of star Kepler-970 B*)
![](Kepler-970_Bb_Spc.png)
*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