|
Exoplanet Name : |
GJ 3021 b |
|
Alternate Name : |
"SAO 258219 b, HIP 1292 b, TYC 9354-00780-1 b, 2MASS J00161266-7951042 b, HD 1237 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
3.3700 |
(Mjup) |
1071.4511 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.4900 |
(AU) |
0.4900 |
(AU Est.) |
|
Eccentricity : |
0.5110 |
|
Orbital Period(Yrs) |
0.3661 |
|
Orbital Period(Observed/Estimated) |
133.71 |
(Days Obs.) |
132.06 |
(Days Est.) |
|
Surface Gravity (G Earth) |
10.3474 |
|
Star Radiation at Atmospheric Boundary: |
3897.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
352.6 |
(K) |
|
Blackbody T 0.3(K) |
331.2 |
(K) |
|
Blackbody T 0.7(K) |
267.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
419.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
393.8 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
GJ 3021 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
57.5 |
|
Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
8.8 |
(GY) |
|
Temperature : |
5540 |
(K) |
|
Spectral type : |
G6 V |
|
UV portion[%]: |
7.0 |
|
Visible portion[%]: |
43.5 |
|
IR portion[%]: |
49.4 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
5.4 |
|
Apparent Magnitude: |
6.6 |
|
Right Ascension(RA) |
4.0528 |
|
Declination (DEC) |
-79.8511 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GJ+3021+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
GJ 3021 b
GJ 3021 b
GJ 3021 b is an exoplanet orbiting the star GJ 3021, located about 57.5 light-years (17.6 pc) away from Solar System. Its discovery was publicly announced on 2000.
The host star GJ 3021 has apparent magnitude of 6.6, with absolute magnitude of 5.4. It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5540 with its spectral types of G6 V
In this planetary system, the extrasolar planet GJ 3021 b orbits around the star GJ 3021 every 133.7 days with its orbital distance of 0.49 AU ( 73302956.6 km)
(Projected orbit of GJ 3021 b around its host star GJ 3021)
The Star GJ 3021 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.598 AU ( 89520016.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.827 AU ( 123740056.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.260 AU ( 188552462.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.855 AU ( 277463208.6 km)
Radiation at Planetary Boundary of GJ 3021 b : 3897.06 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 3021)
Kopparapu Recent Venus for Star GJ 3021 distance : 0.629 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 3021 distance : 0.796 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 3021 distance : 0.769 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 3021 distance : 0.844 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3021 distance : 1.416 AU
Kopparapu Outer Boundary for Early Mars for Star GJ 3021 distance : 1.494 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 3021)
Original Kopparapu Recent Venus for Star GJ 3021 distance : 0.627 AU
Original Kopparapu Runaway Greenhouse for Star GJ 3021 distance : 0.819 AU
Original Kopparapu Moist Greenhouse for Star GJ 3021 distance : 0.830 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 3021 distance : 1.441 AU
Original Kopparapu Outer Boundary for Early Mars for Star GJ 3021 distance : 1.498 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 3021)
(Position in Stellar Map of star GJ 3021 and its Exoplanet GJ 3021 b)
(Zoomed position in Stellar Map of star GJ 3021 and its Exoplanet GJ 3021 b (zoom level 3))
(Synthetic Spectrum of star GJ 3021*)
*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
