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Stellar Catalog
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Nearby stars catalogue
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K2 138
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Star K2 138

Orange star K2 138 is located 660 light years away from the Sun. It is a single star, that has 93 % of solar mass. There are multiple known exoplanets in this system.
Sun distance
660 light years

K2 138

Orange star

Location

Ascension iconRight ascension: 23h 15m 47.775s
Declination iconDeclination: -10° 50' 59.066'' (equatorial region)
Parallax iconParallax: 4.944
Distance iconSun distance: 659.739 ly | 202.3 pc

Basic characteristic

icon weight
Mass: 93 % M Sun | 974 M Jupiter
radius icon
Size: 86 % R Sun | 8.6 R Jupiter

6 exoplanets

K2 138 b 0.03 AU 3.1 M 1.5 R 2.4 days
K2 138 c 0.04 AU 6.3 M 2.3 R 3.6 days
K2 138 d 0.06 AU 7.9 M 2.4 R 5.4 days
K2 138 e 0.08 AU 13 M 3.4 R 8.3 days
K2 138 f 0.1 AU 8.7 M 2.9 R 12.8 days
K2 138 g 0.23 AU 25.5 M 3 R 42 days

Photometry

5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
More about K2 138
       K2 138 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
Gaia DR3 2413596935442139520
External sources
icon study
A Six-Planet Resonance Chain in K2-138?
Scientific study, Accepted: 18. 08. 2023
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Gaia database (Gaia DR3 2413596935442139520)
Archive from the Gaia mission
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