HD 180902 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 180902 | |
| Constellation | Sagittarius | |
| Right ascension | (α) | 19h 19m 18s |
| Declination | (δ) | −23° 33′ 29″ |
| Apparent magnitude | (mV) | 7.78 |
| Distance | 359 ± 33 ly (110 ± 10 pc) |
|
| Spectral type | K0III/IV | |
| Mass | (m) | 1.52 ± 0.11 M☉ |
| Radius | (r) | 4.1 ± 0.1 R☉ |
| Temperature | (T) | 5030 ± 44 K |
| Metallicity | [Fe/H] | 0.04 ± 0.03 |
| Age | 2.8 ± 0.7 Gyr | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.39 ± 0.4 AU |
| Eccentricity | (e) | 0.09 ± 0.11 |
| Orbital period | (P) | 479 ± 13 d |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.6 ± 0.2 MJ |
| Discovery information | ||
| Discovery date | 2010-03-17 | |
| Discoverer(s) | Johnson et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery status | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 180902 b is an extrasolar planet orbiting the K-type star HD 180902 approximately 359 light years away in the constellation Sagittarius.[1]
See also
References
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External links
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Coordinates: 
19h 19m 18s, −23° 33′ 29″
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