Exoplanet Name : |
EG Cnc b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.8000 |
(Rjup) |
8.9672 |
(Rearth) |
Mass (Mjup / Me): |
20.0000 |
(Mjup) |
6358.7600 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0027 |
(AU) |
0.0027 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0002 |
Orbital Period(Observed/Estimated) |
0.06 |
(Days Obs.) |
0.06 |
(Days Est.) |
Surface Gravity (G Earth) |
79.0786 |
Star Radiation at Atmospheric Boundary: |
864371.1 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1360.9 |
(K) |
Blackbody T 0.3(K) |
1278.0 |
(K) |
Blackbody T 0.7(K) |
1034.0 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1618.4 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1519.8 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Timing |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
EG Cnc |
Alternate Name : |
SDSS J084303.99+275149.7 |
Star Distance(LY) : |
1043.7 |
Stellar Radius(Rsun) : |
0.0 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
15000 |
(K) |
Spectral type : |
DA |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.0 |
Absolute Magnitude: |
10.5 |
Apparent Magnitude: |
18.0 |
Right Ascension(RA) |
130.7666 |
Declination (DEC) |
27.8638 |
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 |
|
![](EG_Cnc_b_CSun.png) |
![](EG_Cnc_b_CJup.png) |
![](EG_Cnc_b_CNep.png) |
![](EG_Cnc_b_CEar.png) |
/
EG Cnc b
EG Cnc b
EG Cnc b is an exoplanet orbiting the star EG Cnc, located about 1043.7 light-years (320.0 pc) away from Solar System. Its discovery was publicly announced on 1998.
The host star EG Cnc has apparent magnitude of 18.0, with absolute magnitude of 10.5. It is 0.7 times more massive compared with our Sun. The surface temperature is 15000 with its spectral types of DA
In this planetary system, the extrasolar planet EG Cnc b orbits around the star EG Cnc every 0.1 days with its orbital distance of 0.00 AU ( 400922.3 km)
(Projected orbit of EG Cnc b around its host star EG Cnc)
![](EG_Cnc_b_Orb.png)
The Star EG Cnc 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.049 AU ( 7291898.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.067 AU ( 10079309.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.103 AU ( 15358637.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.151 AU ( 22600907.8 km)
Radiation at Planetary Boundary of EG Cnc b : 864371.14 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EG Cnc)
![](EG_Cnc_b_OrbH.png)
Kopparapu Recent Venus for Star EG Cnc distance : nan AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EG Cnc distance : nan AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EG Cnc distance : nan AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EG Cnc distance : nan AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EG Cnc distance : nan AU
Kopparapu Outer Boundary for Early Mars for Star EG Cnc distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EG Cnc)
![](EG_Cnc_b_OrbK.png)
Original Kopparapu Recent Venus for Star EG Cnc distance : nan AU
Original Kopparapu Runaway Greenhouse for Star EG Cnc distance : nan AU
Original Kopparapu Moist Greenhouse for Star EG Cnc distance : nan AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EG Cnc distance : nan AU
Original Kopparapu Outer Boundary for Early Mars for Star EG Cnc distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EG Cnc)
![](EG_Cnc_b_OrbKO.png)
(Position in Stellar Map of star EG Cnc and its Exoplanet EG Cnc b)
![](EG_Cnc_b_STZ0.png)
(Zoomed position in Stellar Map of star EG Cnc and its Exoplanet EG Cnc b (zoom level 3))
![](EG_Cnc_b_STZ3.png)
(Synthetic Spectrum of star EG Cnc*)
![](EG_Cnc_b_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