Astronomy:HD 114783 b
From HandWiki
Short description: Exoplanet that has a minimum mass similar to Jupiter
| Discovery | |
|---|---|
| Discovered by | Vogt, Butler, Marcy et al. |
| Discovery site | Keck Observatory |
| Discovery date | October 15, 2001 |
| Radial velocity | |
| Orbital characteristics | |
| astron|astron|helion}} | 1.268 AU (189,700,000 km) |
| astron|astron|helion}} | 1.070 AU (160,100,000 km) |
| 1.169 ± 0.068 AU (174,900,000 ± 10,200,000 km) | |
| Eccentricity | 0.085 ± 0.033 |
| Orbital period | 496.9 ± 2.3 d 1.360 y |
| Average Orbital speed | 25.69 |
| astron|astron|helion}} | 2,450,840 ±37 |
| 93 ± 25 | |
| Semi-amplitude | 30.2±0.75 |
| Star | HD 114783 |
HD 114783 b is an exoplanet that has a minimum mass almost exactly that of Jupiter. However, since the true mass is not known, it may be more massive, but not likely much. It orbits the star 20% further than Earth orbits the Sun. The orbit is quite circular.[1][2]
See also
References
- ↑ Vogt, Steven S. et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal 568 (1): 352–362. doi:10.1086/338768. Bibcode: 2002ApJ...568..352V.
- ↑ Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. Bibcode: 2006ApJ...646..505B.
External links
Coordinates: 
13h 12m 43.7860s, −02° 15′ 54.143″
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