|
Exoplanet Name : |
HIP 68468 c |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2529 |
(Rjup) |
2.8342 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0940 |
(Mjup) |
29.8862 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.6650 |
(AU) |
0.6650 |
(AU Est.) |
|
Eccentricity : |
0.0400 |
|
Orbital Period(Yrs) |
0.5311 |
|
Orbital Period(Observed/Estimated) |
194.00 |
(Days Obs.) |
193.30 |
(Days Est.) |
|
Surface Gravity (G Earth) |
3.7205 |
|
Star Radiation at Atmospheric Boundary: |
3487.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
343.0 |
(K) |
|
Blackbody T 0.3(K) |
322.1 |
(K) |
|
Blackbody T 0.7(K) |
260.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
407.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
383.0 |
(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 : |
HIP 68468 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
286.4 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
5.9 |
(GY) |
|
Temperature : |
5857 |
(K) |
|
Spectral type : |
G3V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
17.3 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
210.2667 |
|
Declination (DEC) |
-32.7569 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+68468&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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HIP 68468 c
HIP 68468 c
HIP 68468 c is an exoplanet orbiting the star HIP 68468, located about 286.4 light-years (87.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star HIP 68468 has apparent magnitude of 22.0, with absolute magnitude of 17.3. It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5857 with its spectral types of G3V
In this planetary system, the extrasolar planet HIP 68468 c orbits around the star HIP 68468 every 194.0 days with its orbital distance of 0.67 AU ( 99482584.0 km)
(Projected orbit of HIP 68468 c around its host star HIP 68468)
The Star HIP 68468 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.768 AU ( 114930527.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.062 AU ( 158864024.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.618 AU ( 242073616.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.381 AU ( 356221931.4 km)
Radiation at Planetary Boundary of HIP 68468 c : 3487.52 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 68468)
Kopparapu Recent Venus for Star HIP 68468 distance : 0.792 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 68468 distance : 1.004 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 68468 distance : 0.969 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 68468 distance : 1.063 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 68468 distance : 1.769 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 68468 distance : 1.865 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 68468)
Original Kopparapu Recent Venus for Star HIP 68468 distance : 0.795 AU
Original Kopparapu Runaway Greenhouse for Star HIP 68468 distance : 1.031 AU
Original Kopparapu Moist Greenhouse for Star HIP 68468 distance : 1.052 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 68468 distance : 1.800 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 68468 distance : 1.872 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 68468)
(Position in Stellar Map of star HIP 68468 and its Exoplanet HIP 68468 c)
(Zoomed position in Stellar Map of star HIP 68468 and its Exoplanet HIP 68468 c (zoom level 3))
(Synthetic Spectrum of star HIP 68468*)
*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
