HD 70642 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 70642 | |
| Constellation | Puppis | |
| Right ascension | (α) | 08h 21m 28.1361s |
| Declination | (δ) | −39° 42′ 19.474″ |
| Apparent magnitude | (mV) | 7.18 |
| Distance | 93.8 ly (28.76 pc) | |
| Spectral type | G5V | |
| Mass | (m) | 1.00 ± 0.05 M☉ |
| Radius | (r) | 1.01 R☉ |
| Temperature | (T) | 5533 K |
| Metallicity | [Fe/H] | 0.16 ± 0.02 |
| Age | 3.8 Gyr | |
| Orbital elements | ||
| Semi-major axis | (a) | 3.232 AU (483.5 Gm) |
| 112.4 mas | ||
| Periastron | (q) | 3.123 AU (467.2 Gm) |
| Apastron | (Q) | 3.341 AU (499.8 Gm) |
| Eccentricity | (e) | 0.034 ± 0.043 |
| Orbital period | (P) | 2068 ± 39 d (5.66 y) |
| Orbital speed | (υ) | 17.06 km/s |
| Argument of periastron |
(ω) | 205° |
| Time of periastron | (T0) | 2,451,350 ± 380 JD |
| Semi-amplitude | (K) | 30.4 ± 1.3 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.97 ± 0.06 MJ |
| Discovery information | ||
| Discovery date | July 3, 2003 | |
| Discoverer(s) | Carter et al.[1] | |
| Discovery method | Radial velocity (Anglo-Australian Telescope) | |
| Discovery site | Anglo-Australian Observatory | |
| Discovery status | Published[1] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 70642 b is an extrasolar planet orbiting the star HD 70642 at 3.23 AU distance and takes 5.66 years to revolve. This planet may have systems of moons like Jupiter.[1] This planet was discovered on July 3, 2003.
See also
References
- 1 2 3 Carter, Brad D.; et al. (2003). "A Planet in a Circular Orbit with a 6 Year Period". The Astrophysical Journal Letters 593 (1): L43–L46. arXiv:astro-ph/0307066. Bibcode:2003ApJ...593L..43C. doi:10.1086/378185.
External links
- "HD 70642". Exoplanets.
Coordinates: 
08h 21m 28.1361s, −39° 42′ 19.474″
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