HD 68988 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 68988 | |
| Constellation | Ursa Major | |
| Right ascension | (α) | 08h 18m 22.1731s |
| Declination | (δ) | +61° 27′ 38.599″ |
| Distance | 192 ly (58.8 pc) | |
| Spectral type | G0 | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0704 AU |
| Periastron | (q) | 0.0599 AU |
| Apastron | (Q) | 0.0809 AU |
| Eccentricity | (e) | 0.1497 ± 0.0079 |
| Orbital period | (P) | 6.27670 ± 0.000053 d (0.0171844 y) |
| Orbital speed | (υ) | 122 km/s |
| Argument of periastron |
(ω) | 40 ± 170° |
| Time of periastron | (T0) | 2451549.062 ± 0.040 JD |
| Semi-amplitude | (K) | 191.6 ± 1.7 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.92 MJ |
| Discovery information | ||
| Discovery date | 15 October 2001 | |
| Discoverer(s) | Vogt et al. | |
| Discovery method | Radial velocity | |
| Discovery site | Keck Observatory | |
| Discovery status | Published | |
HD 68988 b is a hot jupiter located approximately 192 light-years away in the constellation of Ursa Major, orbiting the star HD 68988 in a moderately eccentric orbit.[1][2]
See also
References
- ↑ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
- ↑ Vogt, Steven S.; et al. (2002). "Ten Low-Mass Companions from the Keck Precision Velocity Survey". The Astrophysical Journal. 568 (1): 352–362. arXiv:astro-ph/0110378. Bibcode:2002ApJ...568..352V. doi:10.1086/338768.
External links
- "Notes for planet HD 68988 b". The Extrasolar Planets Encyclopaedia. Retrieved 2008-08-25.
- "HD 68988". Exoplanets. Retrieved 2008-08-25.
Coordinates: 
This article is issued from
Wikipedia.
The text is licensed under Creative Commons - Attribution - Sharealike.
Additional terms may apply for the media files.