Exoplanet data
- Host star
- HD 210277
- Discovered
- 1998
- Discovered by
- W. M. Keck Observatory
- Orbital period
- 442.19 days
- Radius
- 13.60 × Earth
- Mass
- 410.00 × Earth
- Distance
- 21.30 pc
via NASA Exoplanet Archive
Wikidata facts
Show 16 more facts
- M sin i
- 1.23
- catalog code
- HD 210277b
- time of discovery or invention
- 1999-07-00
- discovery method
- Doppler spectroscopy
- right ascension
- 332.37444049747240
- declination
- -7.54865639301750
- epoch
- J2000.0
- discoverer or inventor
- Geoffrey Marcy
- argument of periapsis
- 118.2
- orbital eccentricity
- 0.476
- semi-major axis of an orbit
- 1.1
- angular distance
- 0.051667
- right ascension component of proper motion
- 85.462
- declination component of proper motion
- -450.544
- parallax
- 46.9229
- time of periapsis
- 50988.2
Sources (2)
via Wikidata · CC0