HD 212771 b
Extrasolar planet orbiting the star HD 212771 in the constellation Aquarius / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Victoriapeak?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
"Victoriapeak" redirects here. Not to be confused with Victoria Peak.
HD 212771 b is an extrasolar planet orbiting the G-type star HD 212771 approximately 364 light years away[3] in the constellation Aquarius.[1]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | Johnson et al. |
Discovery site | Keck Observatory |
Discovery date | 2010-03-17 |
Doppler spectroscopy | |
Orbital characteristics[2] | |
1.19±0.13 AU | |
Eccentricity | 0.076±0.051 |
380.7±1.4 d | |
2454920±52 JD | |
29±65 º | |
Semi-amplitude | 50.0±5.8 m/s |
Star | HD 212771 |
Physical characteristics[2] | |
Mass | ≥2.39±0.27 MJ |
Close