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HD 128311 b

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Also known as HD 128311b, TIC 349606708b

exoplanet in the constellation Boötes

Astronomical data · SIMBAD

Object type
Pl
Distance
53 light-years
Coordinates
RA 219.0023° · Dec 9.7465°
View on SIMBAD →

via SIMBAD · CDS Strasbourg

Exoplanet data

Host star
HD 128311
Discovered
2002
Discovered by
W. M. Keck Observatory
Orbital period
453.02 days
Radius
13.50 × Earth
Mass
562.24 × Earth
Distance
16.33 pc

via NASA Exoplanet Archive

Wikidata facts

Instance of
star
Constellation
Boötes
Parent body
HD 128311
Mass
2.18
Orbital period
448.6
Show 17 more facts
catalog code
TIC 349606708b
epoch
J2000.0
discovery method
Doppler spectroscopy
time of discovery or invention
2003-01-00
discoverer or inventor
R. Paul Butler
argument of periapsis
110.9
orbital eccentricity
0.345
semi-major axis of an orbit
1.099
M sin i
2.18
angular distance
0.066205
right ascension
219.00233639301120
declination
9.74651490096805
declination component of proper motion
-250.39
parallax
61.2111
right ascension component of proper motion
204.360
orbital inclination
30
time of periapsis
2450210.9
Sources (2)

via Wikidata · CC0