Exoplanet Name : |
2MASS J1617-3828 b |
Alternate Name : |
2MASS J16175569-3828132 b |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
50.7000 |
(Mjup) |
16119.4566 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
721.0000 |
(AU) |
721.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
23635.0348 |
Orbital Period(Observed/Estimated) |
8632932.80 |
(Days Obs.) |
8980433.00 |
(Days Est.) |
Surface Gravity (G Earth) |
155.6710 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
6.5 |
(K) |
Blackbody T 0.3(K) |
6.1 |
(K) |
Blackbody T 0.7(K) |
4.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
7.7 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
7.2 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
"Imaging, Astrometry" |
Mass Detection : |
Astrometry |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
2MASS J1617-3828 |
Alternate Name : |
2MASS J16175569-3828132 |
Star Distance(LY) : |
345.7 |
Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.7 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3968 |
(K) |
Spectral type : |
M0Ve |
UV portion[%]: |
0.7 |
Visible portion[%]: |
23.8 |
IR portion[%]: |
75.6 |
Metalicity : |
0.0 |
Absolute Magnitude: |
8.2 |
Apparent Magnitude: |
13.3 |
Right Ascension(RA) |
244.4820 |
Declination (DEC) |
-38.4703 |
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 |
|
![](2MASS_J1617-3828_b_CSun.png) |
![](2MASS_J1617-3828_b_CJup.png) |
![](2MASS_J1617-3828_b_CNep.png) |
![](2MASS_J1617-3828_b_CEar.png) |
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2MASS J1617-3828 b
2MASS J1617-3828 b
2MASS J1617-3828 b is an exoplanet orbiting the star 2MASS J1617-3828, located about 345.7 light-years (106.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star 2MASS J1617-3828 has apparent magnitude of 13.3, with absolute magnitude of 8.2. It is 0.6 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 3968 with its spectral types of M0Ve
In this planetary system, the extrasolar planet 2MASS J1617-3828 b orbits around the star 2MASS J1617-3828 every 8632932.8 days with its orbital distance of 721.00 AU ( 107860064774.7 km)
(Projected orbit of 2MASS J1617-3828 b around its host star 2MASS J1617-3828)
![](2MASS_J1617-3828_b_Orb.png)
The Star 2MASS J1617-3828 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.296 AU ( 44342606.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.410 AU ( 61293070.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.624 AU ( 93397074.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.919 AU ( 137437886.7 km)
Radiation at Planetary Boundary of 2MASS J1617-3828 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J1617-3828)
![](2MASS_J1617-3828_b_OrbH.png)
Kopparapu Recent Venus for Star 2MASS J1617-3828 distance : 0.332 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J1617-3828 distance : 0.421 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J1617-3828 distance : 0.406 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J1617-3828 distance : 0.447 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J1617-3828 distance : 0.799 AU
Kopparapu Outer Boundary for Early Mars for Star 2MASS J1617-3828 distance : 0.843 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J1617-3828)
![](2MASS_J1617-3828_b_OrbK.png)
Original Kopparapu Recent Venus for Star 2MASS J1617-3828 distance : 0.328 AU
Original Kopparapu Runaway Greenhouse for Star 2MASS J1617-3828 distance : 0.435 AU
Original Kopparapu Moist Greenhouse for Star 2MASS J1617-3828 distance : 0.434 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J1617-3828 distance : 0.812 AU
Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J1617-3828 distance : 0.845 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J1617-3828)
![](2MASS_J1617-3828_b_OrbKO.png)
(Position in Stellar Map of star 2MASS J1617-3828 and its Exoplanet 2MASS J1617-3828 b)
![](2MASS_J1617-3828_b_STZ0.png)
(Zoomed position in Stellar Map of star 2MASS J1617-3828 and its Exoplanet 2MASS J1617-3828 b (zoom level 3))
![](2MASS_J1617-3828_b_STZ3.png)
(Synthetic Spectrum of star 2MASS J1617-3828*)
![](2MASS_J1617-3828_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