Planet K2-99 b
| Name | K2-99 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2016 | ||
| Mass | 0.87 (± 0.02) MJ |  |
+ |
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.153 (± 0.001) AU | |
+ |
| Orbital Period | 18.24783 (± 3e-05) day | |
+ |
| Eccentricity | 0.22 (± 0.01) | |
+ |
| ω | 334.0 (± 4.0) deg | |
|
| Tperi | — | ||
| Radius | 1.046 ( -0.037 +0.037 ) RJ | |
+ |
| Inclination | 87.7 (± 0.3) deg | |
+ |
| Update | 2021-12-03 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458162.7133 (± 0.005) JD | |
+ |
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.34 (± 0.05) | |
+ |
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 54.0 (± 1.0) m/s | |
+ |
| Calculated temperature | 1184.0 (± 19.0) K | |
+ |
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | TYC 4974-871 b, 2MASS J13550570-0526330 b, EPIC 212803289 b, EPIC 212803289.01, TYC 4974-871-1 b, WISE J135505.70-052632.9 b |
Star
K2-99| Name | K2-99 | ||
| Distance | 522.29 ( -11.88 +11.88 ) pc | ||
| Spectral type | G0 IV | ||
| Apparent magnitude V | 11.149 | ||
| Mass | 1.63 ( -0.04 +0.04 ) MSun | ||
| Age | 2.4 ( -0.6 +0.2 ) Gyr | |
|
| Effective temperature | 6217.0 ( -78.0 +78.0 ) K | ||
| Radius | 2.63 ( -0.07 +0.07 ) RSun | ||
| Metallicity [Fe/H] | 0.21 ( -0.06 +0.06 ) | ||
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 13:55:05.7 | ||
| Dec2000 | -05:26:33 | ||
| Alternate Names | TYC 4974-871, 2MASS J13550570-0526330, EPIC 212803289, TYC 4974-871-1, WISE J135505.70-052632.9 | ||
| Planetary system | 2 planets |
Related publications
K2-99 revisited: a non-inflated warm Jupiter, and a temperate giant planet on a 522-d orbit around a subgiant
2022
SMITH A., BRETON S., CSIZMADIA Sz., DAI F., GANDOLFI D. et al.
MNRAS, 510, 5035
paper arxiv
Sixty Validated Planets from K2 Campaigns 5-8
2018
LIVINGSTON J., CROSSFIELD I., PETIGURA E., GONZALES E., CIARDI D. et l.
Astron. J., 156, 277
paper arxiv
K2-99: a subgiant hosting a transiting warm Jupiter in an eccentric orbit and a long-period companion
2017
SMITH, A., GANDOLFI, D., BARRAGÁN, O. & 29 additional authors
MNRAS, 464, 2708
arxiv
paper
ADS
