Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 253 light-years
- Coordinates
- RA 42.4354° · Dec 71.7532°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- star
- Constellation
- Cassiopeia
- Parent body
- Nushagak
- Radius
- 1.095
- Mass
- 3.195
- Orbital period
- 21.2163979
- Image
- Planet HD 17156 b.png
Show 19 more facts
- catalog code
- TIC 302773669b
- Commons category
- HD 17156 b
- time of discovery or invention
- 2007-11-00
- discovery method
- Doppler spectroscopy
- right ascension
- 42.43536122548834
- declination
- 71.75323116601223
- epoch
- J2000.0
- discoverer or inventor
- Debra Fischer
- name
- Mulchatna
- orbital inclination
- 87.21
- M sin i
- 3.191
- argument of periapsis
- 121.71
- semi-major axis of an orbit
- 0.1623
- orbital eccentricity
- 0.677
- angular distance
- 0.002074
- right ascension component of proper motion
- 90.982
- declination component of proper motion
- -33.197
- parallax
- 12.7776
- time of periapsis
- 3738.529
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