- weight
- ≥ 1.29 g
- sun
- 15.2× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
DMPP-3 A b
DMPP-3 A b is a confirmed rocky exoplanet 153 ly from Earth in the constellation Mensa, discovered in 2019 by La Silla Observatory.
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
Standing on DMPP-3 A b, you would weigh roughly about 29% more than you do on Earth. Its orange dwarf looks 15.2× wider than ours, bathing the surface in amber-orange light. It is likely tidally locked, so that sun never moves in the sky: one hemisphere in endless day, the other in permanent night. A year passes in just 5.6 days, and at an estimated 581°C (1078°F) it is furnace-hot.
How closely this world matches Earth in size and warmth, from 0 to 1 (Earth = 1.0). Computed by gravityfinder. See every world ranked →
What these mean: surface gravity · tidal locking · equilibrium temperature · Earth similarity
If your children grew up herea playful thought experiment
Gravity close to Earth's, at about 1.3 times. A child would grow up much as they would back home.
A playful thought experiment from this world’s gravity, not a prediction about any real person. No human has ever grown up off Earth, so no one truly knows; the direction (taller in low gravity, shorter and stockier in high) follows how growing bodies respond to weight.
Hear how a voice sounds herea computed acoustic demo
Your voice would sound high and thin, almost cartoonish.
Assuming Earth-like air at this world's temperature of about 581°C (1078°F), sound would travel roughly 72% faster than on Earth, so your voice would sound high and thin, almost cartoonish. The real atmosphere is unknown, so this is a best guess.
A real voice sample, pitch-shifted (tempo held constant) to suggest the acoustics: a playful approximation, not a precise simulation. Voice: Lingua Libre / Vealhurl, CC BY-SA 4.0.
- !Furnace-hot at around 581°C (1078°F), with no liquid water and no shade anywhere.
- Surface gravity is close to Earth's, at least 1.29 times, so you would move much as you do here.
- !Its star delivers about 143 times the sunlight Earth gets, a blinding, sterilizing glare.
- !Likely tidally locked: one hemisphere in endless day, the other in permanent night.
A playful read of DMPP-3 A b’s measured and computed values, not a real advisory.
How long to get there · 153 ly away
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
What is the gravity on DMPP-3 A b?
DMPP-3 A b's surface gravity is at least 1.3 times Earth's, and possibly more: its mass is only a lower bound.
How much would you weigh on DMPP-3 A b?
Someone who weighs 150 pounds on Earth would weigh at least 193 pounds on DMPP-3 A b.
How far is DMPP-3 A b from Earth?
DMPP-3 A b lies about 153 light-years from Earth.
How long would it take to get to DMPP-3 A b?
At the speed of NASA's Parker Solar Probe, the fastest craft ever built, the journey would take about 238,527 years.
How hot is DMPP-3 A b?
DMPP-3 A b's equilibrium temperature, the balance it reaches from its star's light alone before any greenhouse warming, is about 581°C (1078°F).
How long is a year on DMPP-3 A b?
DMPP-3 A b completes one orbit of its star in 5.6 days.
Illustration generated from DMPP-3 A b's confirmed parameters, not a photograph.