|
Exoplanet Name : |
COCONUTS-2 b |
|
Alternate Name : |
"WISEPA J075108.79-763449.6 b, L 34-26 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
1.1200 |
(Rjup) |
12.5541 |
(Rearth) |
|
Mass (Mjup / Me): |
6.4000 |
(Mjup) |
2034.8032 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
6471.0000 |
(AU) |
6471.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
312569402.31 |
(Days Est.) |
|
Surface Gravity (G Earth) |
12.9108 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
434.0 |
(K) |
|
Blackbody T 0.1(K) |
1.2 |
(K) |
|
Blackbody T 0.3(K) |
1.2 |
(K) |
|
Blackbody T 0.7(K) |
0.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1.4 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
Flux |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
COCONUTS-2A |
|
Alternate Name : |
WISEPA J075108.79-763449.6 |
|
Star Distance(LY) : |
35.5 |
|
Stellar Radius(Rsun) : |
0.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.5 |
(GY) |
|
Temperature : |
3406 |
(K) |
|
Spectral type : |
M3 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
11.7 |
|
IR portion[%]: |
88.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
11.1 |
|
Apparent Magnitude: |
11.3 |
|
Right Ascension(RA) |
117.3042 |
|
Declination (DEC) |
-76.7019 |
|
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=COCONUTS-2A&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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COCONUTS-2 b
COCONUTS-2 b
COCONUTS-2 b is an exoplanet orbiting the star COCONUTS-2A, located about 35.5 light-years (10.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star COCONUTS-2A has apparent magnitude of 11.3, with absolute magnitude of 11.1. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3406 with its spectral types of M3
(Projected orbit of COCONUTS-2 b around its host star COCONUTS-2A)
The Star COCONUTS-2A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.098 AU ( 14587441.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.135 AU ( 20163656.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.205 AU ( 30724949.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.302 AU ( 45213109.7 km)
Radiation at Planetary Boundary of COCONUTS-2 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star COCONUTS-2A)
Kopparapu Recent Venus for Star COCONUTS-2A distance : 0.110 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star COCONUTS-2A distance : 0.140 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star COCONUTS-2A distance : 0.135 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star COCONUTS-2A distance : 0.148 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star COCONUTS-2A distance : 0.273 AU
Kopparapu Outer Boundary for Early Mars for Star COCONUTS-2A distance : 0.288 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star COCONUTS-2A)
Original Kopparapu Recent Venus for Star COCONUTS-2A distance : 0.109 AU
Original Kopparapu Runaway Greenhouse for Star COCONUTS-2A distance : 0.145 AU
Original Kopparapu Moist Greenhouse for Star COCONUTS-2A distance : 0.145 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star COCONUTS-2A distance : 0.277 AU
Original Kopparapu Outer Boundary for Early Mars for Star COCONUTS-2A distance : 0.288 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star COCONUTS-2A)
(Position in Stellar Map of star COCONUTS-2A and its Exoplanet COCONUTS-2 b)
(Zoomed position in Stellar Map of star COCONUTS-2A and its Exoplanet COCONUTS-2 b (zoom level 3))
(Synthetic Spectrum of star COCONUTS-2A*)
*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
