DMPP-1

Planetary system · 204.0 light-years away · also HD 38677, HIP 27305

DMPP-1 is 204 light-years from the Sun. The NASA Exoplanet Archive lists 4 planets around this F8 V star; the first was found in 2019 by radial velocity (La Silla Observatory).

Fly there in 3D

Worth knowing

DMPP-1 d goes round its star every 3.14 days, 28 times as often as Mercury goes round the Sun.

The star

Spectral typeF8 V
Surface temperature6,196 K
Mass1.21 solar masses
Radius1.26 solar radii
Luminosity2.087 times the Sun
Apparent magnitude7.98
Ageabout 2.01 billion years
Distance from the Sun204.0 light-years (62.5 parsecs)
Position (J2000)RA 86.7761°, Dec -10.6303°
ConstellationOrion

Planets (4)

PlanetYearOrbitRadiusMassFound
DMPP-1 d3.14 days0.0447 AU2.02 R⊕ estimated4.72 M⊕ minimumRadial Velocity, 2019
DMPP-1 e5.52 days0.0651 AU1.86 R⊕ estimated4.13 M⊕ minimumRadial Velocity, 2019
DMPP-1 c10.0 days0.0973 AU3.31 R⊕ estimated10.94 M⊕ minimumRadial Velocity, 2019
DMPP-1 b17.8 days0.142 AU4.26 R⊕ estimated16.8 M⊕ minimumRadial Velocity, 2019

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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