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Exoplanet Name : |
SDSS J1228+1040 b |
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Alternate Name : |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.0009 |
(Rjup) |
0.0101 |
(Rearth) |
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Mass (Mjup / Me): |
0.0000 |
(Mjup) |
0.0000 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0034 |
(AU) |
0.0034 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0002 |
|
Orbital Period(Observed/Estimated) |
0.09 |
(Days Obs.) |
0.09 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.0042 |
|
Star Radiation at Atmospheric Boundary: |
36583092.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
3471.1 |
(K) |
|
Blackbody T 0.3(K) |
3259.7 |
(K) |
|
Blackbody T 0.7(K) |
2637.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
4127.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
3876.5 |
(K) |
|
Size Class: |
Asteroid-size |
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Mass Class: |
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Detection Type : |
Timing |
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Mass Detection : |
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Radius Detection : |
|
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Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
SDSS J1228+1040 |
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Alternate Name : |
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Star Distance(LY) : |
413.3 |
|
Stellar Radius(Rsun) : |
0.6 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5500 |
(K) |
|
Spectral type : |
DAZe |
|
UV portion[%]: |
6.9 |
|
Visible portion[%]: |
43.2 |
|
IR portion[%]: |
49.9 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
11.5 |
|
Apparent Magnitude: |
17.0 |
|
Right Ascension(RA) |
187.2500 |
|
Declination (DEC) |
10.6758 |
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Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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Discovery Paper - Authors |
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Discovery Paper - Title |
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|
Discovery Paper - Journal |
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|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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SDSS J1228+1040 b
SDSS J1228+1040 b
SDSS J1228+1040 b is an exoplanet orbiting the star SDSS J1228+1040, located about 413.3 light-years (126.7 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star SDSS J1228+1040 has apparent magnitude of 17.0, with absolute magnitude of 11.5. It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of DAZe
In this planetary system, the extrasolar planet SDSS J1228+1040 b orbits around the star SDSS J1228+1040 every 0.1 days with its orbital distance of 0.00 AU ( 508632.8 km)
(Projected orbit of SDSS J1228+1040 b around its host star SDSS J1228+1040)
The Star SDSS J1228+1040 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.402 AU ( 60183138.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.556 AU ( 83188825.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.847 AU ( 126761360.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.247 AU ( 186534894.8 km)
Radiation at Planetary Boundary of SDSS J1228+1040 b : 36583092.83 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star SDSS J1228+1040)
Kopparapu Recent Venus for Star SDSS J1228+1040 distance : 0.424 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star SDSS J1228+1040 distance : 0.537 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star SDSS J1228+1040 distance : 0.518 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star SDSS J1228+1040 distance : 0.568 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star SDSS J1228+1040 distance : 0.955 AU
Kopparapu Outer Boundary for Early Mars for Star SDSS J1228+1040 distance : 1.008 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star SDSS J1228+1040)
Original Kopparapu Recent Venus for Star SDSS J1228+1040 distance : 0.422 AU
Original Kopparapu Runaway Greenhouse for Star SDSS J1228+1040 distance : 0.552 AU
Original Kopparapu Moist Greenhouse for Star SDSS J1228+1040 distance : 0.559 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star SDSS J1228+1040 distance : 0.972 AU
Original Kopparapu Outer Boundary for Early Mars for Star SDSS J1228+1040 distance : 1.011 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star SDSS J1228+1040)
(Position in Stellar Map of star SDSS J1228+1040 and its Exoplanet SDSS J1228+1040 b)
(Zoomed position in Stellar Map of star SDSS J1228+1040 and its Exoplanet SDSS J1228+1040 b (zoom level 3))
(Synthetic Spectrum of star SDSS J1228+1040*)
*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
