|
Exoplanet Name : |
3 Cnc b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
20.7600 |
(Mjup) |
6600.3929 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.5200 |
(AU) |
2.5200 |
(AU Est.) |
|
Eccentricity : |
0.0400 |
|
Orbital Period(Yrs) |
2.3371 |
|
Orbital Period(Observed/Estimated) |
853.64 |
(Days Obs.) |
852.15 |
(Days Est.) |
|
Surface Gravity (G Earth) |
63.7422 |
|
Star Radiation at Atmospheric Boundary: |
104204.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
801.9 |
(K) |
|
Blackbody T 0.3(K) |
753.1 |
(K) |
|
Blackbody T 0.7(K) |
609.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
953.6 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
895.5 |
(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 : |
3 Cnc |
|
Alternate Name : |
|
|
Star Distance(LY) : |
813.6 |
|
Stellar Radius(Rsun) : |
39.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
2.9 |
(Msun Measured) |
2.9 |
(Msun Estimated) |
|
Star Age : |
0.4 |
(GY) |
|
Temperature : |
4319 |
(K) |
|
Spectral type : |
K3 III |
|
UV portion[%]: |
0.9 |
|
Visible portion[%]: |
27.8 |
|
IR portion[%]: |
71.2 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
-1.4 |
|
Apparent Magnitude: |
5.6 |
|
Right Ascension(RA) |
120.1971 |
|
Declination (DEC) |
17.3086 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
01380-01830 |
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=3+Cnc+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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3 Cnc b
3 Cnc b
3 Cnc b is an exoplanet orbiting the star 3 Cnc, located about 813.6 light-years (249.5 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star 3 Cnc has apparent magnitude of 5.6, with absolute magnitude of -1.4. It is 2.9 times more massive and 39.4 times bigger compared with our Sun. The surface temperature is 4319 with its spectral types of K3 III
In this planetary system, the extrasolar planet 3 Cnc b orbits around the star 3 Cnc every 853.6 days with its orbital distance of 2.52 AU ( 376986634.2 km)
(Projected orbit of 3 Cnc b around its host star 3 Cnc)
The Star 3 Cnc 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 15.914 AU ( 2380675663.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 21.997 AU ( 3290715911.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 33.519 AU ( 5014322815.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 49.324 AU ( 7378795686.4 km)
Radiation at Planetary Boundary of 3 Cnc b : 104204.86 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 3 Cnc)
Kopparapu Recent Venus for Star 3 Cnc distance : 17.681 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 3 Cnc distance : 22.381 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 3 Cnc distance : 21.617 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 3 Cnc distance : 23.748 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 3 Cnc distance : 41.813 AU
Kopparapu Outer Boundary for Early Mars for Star 3 Cnc distance : 44.108 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 3 Cnc)
Original Kopparapu Recent Venus for Star 3 Cnc distance : 17.445 AU
Original Kopparapu Runaway Greenhouse for Star 3 Cnc distance : 23.120 AU
Original Kopparapu Moist Greenhouse for Star 3 Cnc distance : 23.083 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 3 Cnc distance : 42.489 AU
Original Kopparapu Outer Boundary for Early Mars for Star 3 Cnc distance : 44.187 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 3 Cnc)
(Position in Stellar Map of star 3 Cnc and its Exoplanet 3 Cnc b)
(Zoomed position in Stellar Map of star 3 Cnc and its Exoplanet 3 Cnc b (zoom level 3))
(Synthetic Spectrum of star 3 Cnc*)
*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
