| Discovery | |
|---|---|
| Discovered by | Jason F. Rowe et al.1 |
| Discovery site | Kepler |
| Discovery date | February 26, 2014 |
| Transit method | |
| Orbital characteristics | |
| 77.4736331 d | |
| JD 2454985.641561 | |
| Star | Kepler-298 |
| Physical characteristics | |
| 2.50 ± 0.201 R🜨 | |
Kepler-298d is an exoplanet orbiting within the habitable zone of the orange dwarf star Kepler-298, located 1545 light years (473.69 parsecs) away from Earth. It was discovered in 2014 via the transit method.2 The planet was originally considered to be potentially habitable,3 but further research places its atmosphere at +2.11 on the HZA scale, meaning it may be an ocean planet with a thick gas atmosphere like a gas dwarf.
References
References
- Rowe, Jason F.; et al. (2014). "Validation of Kepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-planet Systems". The Astrophysical Journal. 784 (1): 20. arXiv:1402.6534. Bibcode:2014ApJ...784...45R. doi:10.1088/0004-637X/784/1/45. S2CID 119118620. 45.
- "Planet Kepler-298 d". Extrasolar Planets Encyclopaedia. Retrieved 26 April 2018.
- Safonova, M.; Murthy, J.; Shchekinov, Yu. A. (27 August 2018). "Age aspects of habitability". International Journal of Astrobiology. 15 (2): 10. arXiv:1404.0641. doi:10.1017/S1473550415000208.