|
Exoplanet Name : |
GJ 3323 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1079 |
(Rjup) |
1.2093 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0064 |
(Mjup) |
2.0221 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0328 |
(AU) |
0.0328 |
(AU Est.) |
|
Eccentricity : |
0.2300 |
|
Orbital Period(Yrs) |
0.0147 |
|
Orbital Period(Observed/Estimated) |
5.36 |
(Days Obs.) |
5.36 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.3827 |
|
Star Radiation at Atmospheric Boundary: |
1605.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
282.5 |
(K) |
|
Blackbody T 0.3(K) |
265.3 |
(K) |
|
Blackbody T 0.7(K) |
214.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
336.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
315.5 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Habitable |
|
Star Name : |
GJ 3323 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
17.4 |
|
Stellar Radius(Rsun) : |
0.1 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.2 |
(Msun Measured) |
0.2 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3159 |
(K) |
|
Spectral type : |
M4 |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
7.4 |
|
IR portion[%]: |
92.4 |
|
Metalicity : |
-0.3 |
|
Absolute Magnitude: |
13.6 |
|
Apparent Magnitude: |
12.2 |
|
Right Ascension(RA) |
75.4896 |
|
Declination (DEC) |
-6.9461 |
|
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=GJ+3323&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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GJ 3323 b
GJ 3323 b
GJ 3323 b is an exoplanet orbiting the star GJ 3323, located about 17.4 light-years ( 5.3 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star GJ 3323 has apparent magnitude of 12.2, with absolute magnitude of 13.6. It is 0.2 times more massive and 0.1 times bigger compared with our Sun. The surface temperature is 3159 with its spectral types of M4
In this planetary system, the extrasolar planet GJ 3323 b orbits around the star GJ 3323 every 5.4 days with its orbital distance of 0.03 AU ( 4909802.1 km)
(Projected orbit of GJ 3323 b around its host star GJ 3323)
The Star GJ 3323 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.026 AU ( 3848613.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.036 AU ( 5319789.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.054 AU ( 8106182.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.080 AU ( 11928602.8 km)
Radiation at Planetary Boundary of GJ 3323 b : 1605.54 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 3323)
Kopparapu Recent Venus for Star GJ 3323 distance : 0.029 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 3323 distance : 0.037 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 3323 distance : 0.036 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 3323 distance : 0.039 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3323 distance : 0.073 AU
Kopparapu Outer Boundary for Early Mars for Star GJ 3323 distance : 0.077 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 3323)
Original Kopparapu Recent Venus for Star GJ 3323 distance : 0.029 AU
Original Kopparapu Runaway Greenhouse for Star GJ 3323 distance : 0.038 AU
Original Kopparapu Moist Greenhouse for Star GJ 3323 distance : 0.038 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3323 distance : 0.074 AU
Original Kopparapu Outer Boundary for Early Mars for Star GJ 3323 distance : 0.077 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 3323)
(Position in Stellar Map of star GJ 3323 and its Exoplanet GJ 3323 b)
(Zoomed position in Stellar Map of star GJ 3323 and its Exoplanet GJ 3323 b (zoom level 3))
(Synthetic Spectrum of star GJ 3323*)
*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
