|
Exoplanet Name : |
NLTT 51469 (AB)b |
|
Alternate Name : |
SDSS J213154.43-011939.3 |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.8820 |
(Rjup) |
9.8863 |
(Rearth) |
|
Mass (Mjup / Me): |
60.0000 |
(Mjup) |
19076.2800 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
3834.0000 |
(AU) |
3834.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
311495.9207 |
|
Orbital Period(Observed/Estimated) |
113777000.00 |
(Days Obs.) |
133796188.66 |
(Days Est.) |
|
Surface Gravity (G Earth) |
195.1744 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1.8 |
(K) |
|
Blackbody T 0.3(K) |
1.7 |
(K) |
|
Blackbody T 0.7(K) |
1.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
2.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
2.0 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
Theoretical |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
NLTT 51469 |
|
Alternate Name : |
G 93-19 |
|
Star Distance(LY) : |
152.0 |
|
Stellar Radius(Rsun) : |
0.5 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
5.5 |
(GY) |
|
Temperature : |
3410 |
(K) |
|
Spectral type : |
M3V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
11.9 |
|
IR portion[%]: |
87.8 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
10.2 |
|
Apparent Magnitude: |
13.6 |
|
Right Ascension(RA) |
322.9986 |
|
Declination (DEC) |
-1.3345 |
|
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 |
|
b_CSun.png) |
b_CJup.png) |
b_CNep.png) |
b_CEar.png) |
/
NLTT 51469 (AB)b
NLTT 51469 (AB)b
NLTT 51469 (AB)b is an exoplanet orbiting the star NLTT 51469, located about 152.0 light-years (46.6 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star NLTT 51469 has apparent magnitude of 13.6, with absolute magnitude of 10.2. It is 0.4 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3410 with its spectral types of M3V
In this planetary system, the extrasolar planet NLTT 51469 (AB)b orbits around the star NLTT 51469 every 113777000.0 days with its orbital distance of 3834.00 AU ( 573558236263.8 km)
(Projected orbit of NLTT 51469 (AB)b around its host star NLTT 51469)
b_Orb.png)
The Star NLTT 51469 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.123 AU ( 18390210.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.170 AU ( 25420076.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.259 AU ( 38734571.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.381 AU ( 56999618.0 km)
Radiation at Planetary Boundary of NLTT 51469 (AB)b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NLTT 51469)
b_OrbH.png)
Kopparapu Recent Venus for Star NLTT 51469 distance : 0.139 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star NLTT 51469 distance : 0.176 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NLTT 51469 distance : 0.170 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star NLTT 51469 distance : 0.187 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star NLTT 51469 distance : 0.344 AU
Kopparapu Outer Boundary for Early Mars for Star NLTT 51469 distance : 0.363 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star NLTT 51469)
b_OrbK.png)
Original Kopparapu Recent Venus for Star NLTT 51469 distance : 0.138 AU
Original Kopparapu Runaway Greenhouse for Star NLTT 51469 distance : 0.182 AU
Original Kopparapu Moist Greenhouse for Star NLTT 51469 distance : 0.183 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NLTT 51469 distance : 0.349 AU
Original Kopparapu Outer Boundary for Early Mars for Star NLTT 51469 distance : 0.363 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star NLTT 51469)
b_OrbKO.png)
(Position in Stellar Map of star NLTT 51469 and its Exoplanet NLTT 51469 (AB)b)
b_STZ0.png)
(Zoomed position in Stellar Map of star NLTT 51469 and its Exoplanet NLTT 51469 (AB)b (zoom level 3))
b_STZ3.png)
(Synthetic Spectrum of star NLTT 51469*)
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
