Rothak
 | |
| Designations | |
|---|---|
Alternative names | GJ 357 d |
| Orbital characteristics | |
Semi-major axis | 0.204±0.015 AU |
| Eccentricity | ≈0.033 ± 0.057 |
Orbital period (sidereal) | 55.70±0.05 d |
| Inclination | <40° |
| Star | Gliese 357 |
| Physical characteristics | |
| Mass | 6.1±1.0 M🜨7.20±1.07 M🜨 |
| Temperature | 219.6 ± 5.9 K (−53.55 ± 5.90 °C; −64.39 ± 10.62 °F) |
Rothak, also known as Gliese 357 D, is an exoplanet and the homeworld of the Ir'vaki. It is located in the Gliese 357 system. The planet is approximately 2.3 times as large as Earth and has a similar atmosphere, with a higher 37% oxygen content as opposed to Earth’s 21%.