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HD 171238 b

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Also known as HD 171238b, TIC 228217280b

extrasolar planet

Astronomical data · SIMBAD

Object type
Pl
Distance
145 light-years
Coordinates
RA 278.6820° · Dec -28.0723°
View on SIMBAD →

via SIMBAD · CDS Strasbourg

Exoplanet data

Host star
HD 171238
Discovered
2009
Discovered by
La Silla Observatory
Orbital period
1515 days
Radius
12.50 × Earth
Mass
2796.89 × Earth
Distance
44.81 pc

via NASA Exoplanet Archive

Wikidata facts

Instance of
star
Constellation
Sagittarius
Parent body
HD 171238
Mass
2.6
Orbital period
1523
Show 16 more facts
catalog code
TIC 228217280b
discovery method
Doppler spectroscopy
time of discovery or invention
2010-02-00
right ascension
278.68198320418130
declination
-28.07231514190556
epoch
J2000.0
argument of periapsis
47
orbital eccentricity
0.4
semi-major axis of an orbit
2.54
M sin i
2.6
angular distance
0.050517
right ascension component of proper motion
-29.578
declination component of proper motion
-109.110
parallax
22.2871
orbital inclination
19.1
time of periapsis
5062
Sources (1)

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