Exoplanet Name : |
GJ 876 e |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2172 |
(Rjup) |
2.4346 |
(Rearth) |
Mass (Mjup / Me): |
0.0486 |
(Mjup) |
15.4359 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.3450 |
(AU) |
0.3450 |
(AU Est.) |
Eccentricity : |
0.0400 |
Orbital Period(Yrs) |
0.3406 |
Orbital Period(Observed/Estimated) |
124.40 |
(Days Obs.) |
128.07 |
(Days Est.) |
Surface Gravity (G Earth) |
2.6041 |
Star Radiation at Atmospheric Boundary: |
168.2 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
160.7 |
(K) |
Blackbody T 0.3(K) |
150.9 |
(K) |
Blackbody T 0.7(K) |
122.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
191.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
179.5 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
GJ 876 |
Alternate Name : |
|
Star Distance(LY) : |
15.3 |
Stellar Radius(Rsun) : |
0.4 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.3 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
Star Age : |
2.5 |
(GY) |
Temperature : |
3350 |
(K) |
Spectral type : |
M4 V |
UV portion[%]: |
0.1 |
Visible portion[%]: |
6.5 |
IR portion[%]: |
93.4 |
Metalicity : |
0.1 |
Absolute Magnitude: |
11.8 |
Apparent Magnitude: |
10.2 |
Right Ascension(RA) |
343.3197 |
Declination (DEC) |
-14.2536 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05819-00957 |
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+876++&submit=SIMBAD+search |
Open Exoplanet Database Link |
0 |
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 |
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