HD 4308 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 4308 | |
| Constellation | Tucana | |
| Right ascension | (α) | 00h 44m 39.267s[1] |
| Declination | (δ) | –65° 38′ 58.28″[1] |
| Distance | 71.9 ± 0.5[1] ly (22.1 ± 0.2[1] pc) |
|
| Spectral type | G5V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.115 ± 0.096 AU |
| Periastron | (q) | 0.115 AU |
| Apastron | (Q) | 0.115 AU |
| Eccentricity | (e) | 0.00 ± 0.01 |
| Orbital period | (P) | 15.56 ± 0.02 d (0.04260 y) |
| Orbital speed | (υ) | 80.7 km/s |
| Argument of periastron |
(ω) | 359±47° |
| Time of periastron | (T0) | 2,453,314.70 ±2.0 JD |
| Semi-amplitude | (K) | 4.07 ± 0.2 m/s |
| Physical characteristics | ||
| Mass | (m) | >0.0442 MJ (>14 M⊕) |
| Discovery information | ||
| Discovery date | 22 August 2005 | |
| Discoverer(s) | Udry et al. | |
| Discovery method | Doppler Spectroscopy | |
| Discovery site | California, USA | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 4308 b is a low-mass exoplanet orbiting around HD 4308. It is believed to have almost no orbital eccentricity.[2]
See also
References
External links
- Lua error in package.lua at line 80: module 'strict' not found.
Coordinates: 
00h 44m 39.2677s, −65° 38′ 58.280″
<templatestyles src="Asbox/styles.css"></templatestyles>
 |
This extrasolar-planet-related article is a stub. You can help Wikipedia by expanding it. |
